Journal articles on the topic 'Urban environment, drought, excess light'

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1

Nuzhyna, N. V., I. Yu Ivanova, L. R. Hrytsak, and N. M. Drobyk. "ПОСУХОСТІЙКІ ВИДИ ДЕРЕВ ТА КУЩІВ – ВАЖЛИВА ЛАНКА ДЛЯ ЗМЕНШЕННЯ НЕГАТИВНИХ ЕФЕКТІВ «МІСЬКИХ ОСТРОВІВ ТЕПЛА»." Scientific Issue Ternopil Volodymyr Hnatiuk National Pedagogical University. Series: Biology 82, no. 3 (November 23, 2022): 37–43. http://dx.doi.org/10.25128/2078-2357.22.3.6.

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The water parameters of the leaves of 9 species of medium-sized trees (Aesculus pavia L., Aralia elata (Miq,) Seem., Broussonetia papyrifera (L.) L’Hér. ex Vent., Cercis canadensis L., Platycarya strobilacea Siebold & Zucc., Prunus dulcis (Mill.) D.A.Webb., Tetradium daniellii (Benn.) T.G. Hartley, Zizyphus jujuba Mill., Robinia viscosa Vent.) and 4 species of bushes (Cotinus coggygrya Scop., Cotinus coggygrya Scop. ‘Royal Purple’, Berberis vulgaris L. ‘Atropurpurea’, Corylus maxima Mill. ‘Atropurpurea’) were investigated in order to identify the most promising drought-tolerant ornamental species of woody plants from the temperate and continental climate zones, which are still not widely cultivated in the Polissia and Forest-Steppe zones of Ukraine. It will be a further recommendation to include them in the ecosystems of the urban environment to overcome the negative impact of the "urban heat island". In order to determine the relative drought resistance of plants, the following parameters of the water regime were measured: tissue hydration and water loss per unit of time. The test for drought resistance was carried out twice, when high temperatures are maintained: in early June (the leaves on trees and bushes are young), and also in early September (the leaves have already acquired all the features characteristic of their species). According to the results of the study, such medium-sized trees as: Aesculus pavia, Aralia elata, Cercis canadensis, Tetradium daniellii and Zizyphus jujube, as well as Cotinus coggygrya, Berberis vulgaris 'Atropurpurea' and Cotinus coggygrya 'Royal Purple' bushes can be recommended for urban landscaping as drought-resistant plants. Whereas, the tree species Broussonetia papurifera, Robinia viscosa, Prunus dulcis and Platycarya strobilacea, as well as the bushes Corylus maxima 'Atropurpurea' showed relatively lower drought resistance, which must be taken into account when landscaping, since, on the one hand, there is a need for additional watering, on the other hand in in one landscape exposure, it is appropriate to plant species with a similar level of drought resistance, which will facilitate further plant care. The slightly lower tolerance to drought of Corylus maxima 'Atropurpurea' may be due to the fact that only this species of the studied shrubs is shade-tolerant, while the other three species are light-loving plants, which must also be taken into account when creating plant compositions.
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Evers, Aino-Maija. "The influence of fertilization and environment on some nutritionally important quality criteria in vegetables - a review of research in the Nordic countries." Agricultural and Food Science 3, no. 2 (March 1, 1994): 177–88. http://dx.doi.org/10.23986/afsci.72692.

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To understand the phenomena caused by nutrient applications on the quality of vegetables, some research has been done in Finland and in Scandinavia during the last decades. Purpose of this review is to evaluate this data against the information available on genetic and environmental factors. Genotype and light intensity highly affect the vitamin C content of plants. Optimal nitrogen level has a small effect, but excess of nitrogen decreases vitamin C content. Genotype, developmental stage of the plant, adequate photosynthesis, vigorous growth and relatively high temperature increase the carotene content of carrots. The effects of fertilization on the carotene content of plants have been contradictory and warrants more research. No research results could be found of the effects of fertilization or growing practices on the vitamin B content even though vegetables are an important source of vitamin B in diets. Increasing nitrogen fertilization, genotype, low light intensity, low temperature and drought increase the nitrate content of vegetables, but the levels are low in vegetables grown in the Nordic countries, except in lettuce grown under glass with the aid of lights during the dark season. The effect of fertilization on the sugar content is small, and the effect on dietary fibre warrants further study.
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Bach, Anna, Bożena Pawłowska, and Małgorzata Pietrzak. "Eco-friendly methods of reducing the consequences of winter maintenance in urban green areas." Folia Horticulturae 21, no. 2 (December 1, 2009): 99–109. http://dx.doi.org/10.2478/fhort-2013-0142.

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Abstract Trees play a crucial role in the urban environment. They fulfil aesthetic, sociocultural, ecological, health-promoting and economic functions. Urban development and related human activity bring many risks to green areas within urban space. Plants are exposed to stress connected with water, soil and air pollution. Living space, harmful light and thermal conditions, drought, high density and changeable soil pH with excessive salinity are further disadvantages. European and Northern American cities have to cope with a serious danger of tree death. A leading cause is the use of de-icing chemicals in winter, particularly sodium chloride, applied due to its cost-effectiveness and availability. The paper describes traditional de-icing chemicals used in urban areas (NaCl, solid aggregates, CaCl2, MgCl sulphates MgSO4, (NH4)2SO4, urea alcohols and glycols isopropyl alcohol, ethylene glycol, methanol) and newly developed sodium chloride substitutes (calcium magnesium acetate CMA), sodium formate and acetate NaFo/NaAc, potassium carbonate K2CO3). Moreover, prophylactic methods aimed at preventing the negative impact of de-icing campaigns, rules of planning and design of urban landscape, and reasonable management measures and pro-ecological modern technologies reducing and reversing the consequences of harmful actions are presented
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Nys, Gilles-Antoine, Florent Poux, and Roland Billen. "CityJSON Building Generation from Airborne LiDAR 3D Point Clouds." ISPRS International Journal of Geo-Information 9, no. 9 (August 31, 2020): 521. http://dx.doi.org/10.3390/ijgi9090521.

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The relevant insights provided by 3D City models greatly improve Smart Cities and their management policies. In the urban built environment, buildings frequently represent the most studied and modeled features. CityJSON format proposes a lightweight and developer-friendly alternative to CityGML. This paper proposes an improvement to the usability of 3D models providing an automatic generation method in CityJSON, to ensure compactness, expressivity, and interoperability. In addition to a compliance rate in excess of 92% for geometry and topology, the generated model allows the handling of contextual information, such as metadata and refined levels of details (LoD), in a built-in manner. By breaking down the building-generation process, it creates consistent building objects from the unique source of Light Detection and Ranging (LiDAR) point clouds.
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5

V., Anantha Rama, Prakash P., and Kiran Kumar B.V. "Impact of Hazardous Industrial Waste on Health and Environment." Mapana - Journal of Sciences 5, no. 1 (July 25, 2006): 38–46. http://dx.doi.org/10.12723/mjs.8.5.

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From the days of primitive society, human and animals have used the resource of the earth to support life and to dispose waste. Rapid population growth and uncontrolled industrial development are seriously degrading the urban and semi-urban environment in many of the developing countries placing enormous strain on natural resources and undermining efficient and sustainable development. Industrial operations lead to considerable generation of hazardous waste and in rapidly industrializing countries such as India the contribution to hazardous waste from industries are largest. Hazardous waste genarations from industries is also critical due to their large geophysical spread in the country, leading to regionwide impacts. Due to liberalization policy the pace of industrialization has been accelerated, which has resulted in increasing amount of hazardous waste every year. This long with a growing amount of municipal solid waste due to rapid urbanization and inadequate policy and technological measures continues to remain a daunting issue of environmental concern to India. In this scenario the present paper discusses various aspects of hazardous industrial waste like its origin, distribution and environmental and health hazards. Hazardous waste from industrial sectors contains heavy metals, pesticides, radioactive materials and other chemicals, which are toxic, flammable, reactive, corrosive, or have explosive properties. Normally Arsenic, Cadmium, Chromium, Copper, Lead, Zinc, Boron etc are found in pulverized fly ash. Cement industries emit huge quality of fluoride into the environment. Large quantity of mercury emitted from caustic soda industries using mercury electrodes, from chemical industries, paper and pulp industries etc. Tin mines emit tin in the vicinity of the mines. The metals such as Cadmium, Lead, Chromium, Arsenic etc, if present in the body, are hazardous to the health. Presence of fluoride within the range of 0.5 to 1.5 ppm is very essential in water for health, if present in excess leads to Florosis. Fouride may cause harm not only through water but also through air by way of respiration and soil. In river estuaries, the concentration of metal traces will reach to a high degrees of contamination because of stagnant water, when industrial effluents are fed into rivers and streams. This paper throws light upon many more such factors and also suggest measures to control and manage hazardous waste.
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Morash, Jennifer, Amy Wright, Charlene LeBleu, Amanda Meder, Raymond Kessler, Eve Brantley, and Julie Howe. "Increasing Sustainability of Residential Areas Using Rain Gardens to Improve Pollutant Capture, Biodiversity and Ecosystem Resilience." Sustainability 11, no. 12 (June 13, 2019): 3269. http://dx.doi.org/10.3390/su11123269.

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Rain gardens have become a widespread stormwater practice in the United States, and their use is poised to continue expanding as they are an aesthetically pleasing way to improve the quality of stormwater runoff. The terms rain garden and bioretention, are now often used interchangeably to denote a landscape area that treats stormwater runoff. Rain gardens are an effective, attractive, and sustainable stormwater management solution for residential areas and urban green spaces. They can restore the hydrologic function of urban landscapes and capture stormwater runoff pollutants, such as phosphorus (P), a main pollutant in urban cities and residential neighborhoods. Although design considerations such as size, substrate depth, substrate type, and stormwater holding time have been rigorously tested, little research has been conducted on the living portion of rain gardens. This paper reviews two studies—one that evaluated the effects of flooding and drought tolerance on the physiological responses of native plant species recommended for use in rain gardens, and another that evaluated P removal in monoculture and polyculture rain garden plantings. In the second study, plants and substrate were evaluated for their ability to retain P, a typical water pollutant. Although plant growth across species was sometimes lower when exposed to repeated flooding, plant visual quality was generally not compromised. Although plant selection was limited to species native to the southeastern U.S., some findings may be translated regardless of region. Plant tissue P was higher than either leachate or substrate, indicating the critical role plants play in P accumulation and removal. Additionally, polyculture plantings had the lowest leachate P, suggesting a polyculture planting may be more effective in preventing excess P from entering waterways from bioretention gardens. The findings included that, although monoculture plantings are common in bioretention gardens, polyculture plantings can improve biodiversity, ecosystem resilience, and rain garden functionality.
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Kim, Hyungkyoo, and Elizabeth Macdonald. "Wind and the city: An evaluation of San Francisco’s planning approach since 1985." Environment and Planning B: Urban Analytics and City Science 44, no. 1 (July 28, 2016): 10–32. http://dx.doi.org/10.1177/0265813515607474.

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In 1985, San Francisco adopted a downtown plan on ground-level wind currents intended to mitigate the negative effects of wind on pedestrians’ perceived comfort in public open spaces. The plan mandates that new buildings in designated parts of the city associated with high density or development potential be designed or adopt measures to not cause wind in excess of accepted comfort levels. This study examines whether and to what degree the plan has successfully shaped an urban form that mitigates wind by comparing the ground-level wind environment in 1985 and 2013. A series of wind tunnel tests found that during San Francisco’s windiest season when the westerly winds are prevalent, the overall mean wind speed ratio measured at 318 locations in four areas of the city dropped by 22%. However, there still exist many excessively windy places that are associated with specific urban form conditions, including streets oriented to have direct exposure to westerly winds, flat façades on high-rise buildings, and horizontal street walls where building façades align. Recommendations based on the findings include incorporating more tangible guidance on the built form conditions, expanding the plan’s reach to cover more parts of the city, and learning from strategies used elsewhere. By evaluating the urban form impacts of a wind mitigation policy that has been in place for 30 years, the research offers insights for other cities that have implemented or plan to adopt similar approach and sheds light on issues related to wind comfort in high-density urban areas.
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Lichtenwoehrer, Peter, Lore Abart-Heriszt, Florian Kretschmer, Franz Suppan, Gernot Stoeglehner, and Georg Neugebauer. "Evaluating Spatial Interdependencies of Sector Coupling Using Spatiotemporal Modelling." Energies 14, no. 5 (February 25, 2021): 1256. http://dx.doi.org/10.3390/en14051256.

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In light of global warming and the energy turn, sector coupling has gained increasing interest in recent years, from both the scientific community and politics. In the following article it is hypothesized that efficient multifaceted sector coupling solutions depend on detailed spatial and temporal characteristics of energy demand and supply. Hence, spatiotemporal modelling is used as a methodology of integrated spatial and energy planning, in order to determine favourable sector coupling strategies at the local level. A case study evaluation was carried out for both central and decentral renewable energy sources. Considering the high temporal resolutions of energy demand and supply, the results revealed a feasible operation of a district heating network in the central areas of the case study municipalities. Additionally, building integrated solar energy technologies are capable of providing large amount of excess energy that could serve other demand sectors, such as the mobility sector, or could be used for Power-to-X solutions. It is suggested that sector coupling strategies require spatial considerations and high temporal comparisons, in order to be reasonably integrated in spatial and urban planning.
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Recanatesi, Fabio, Chiara Giuliani, and Maria Ripa. "Monitoring Mediterranean Oak Decline in a Peri-Urban Protected Area Using the NDVI and Sentinel-2 Images: The Case Study of Castelporziano State Natural Reserve." Sustainability 10, no. 9 (September 16, 2018): 3308. http://dx.doi.org/10.3390/su10093308.

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Climate change and human activities in particular are important causes of the possible variations in Mediterranean basin forest health conditions. Over the last decades, deciduous oak-forest mortality has been a recurrent problem in central and southern Italy. Despite the perception of increasingly visible damage in oak forests in drought sites, the role of various environmental factors in their decline is not completely clear. Among the modern methods of monitoring terrestrial ecosystems, remote sensing is of prime importance thanks to its ability to provide synoptic information on large areas with a high frequency of acquisition. This paper reports the preliminary results regarding a replicable and low cost monitoring tool planned to quantify forest health conditions based on the application of the Normalized Difference Vegetation Index (NDVI), using the diachronic images provided by the Sentinel-2 satellite. The study area is represented by a peri-urban forest of natural Mediterranean deciduous oaks, characterized by a high variability in the composition of the species and in the silvicultural structures. In order to monitor the health conditions of a specific forest canopy cover with remote sensing data, it is necessary to classify the forest canopy cover in advance to separate it from other species and from the Mediterranean scrub. This is due to the spatial distribution of vegetation and the high rate of biodiversity in the Mediterranean natural environment. To achieve this, Light Detection and Ranging (LiDAR) data, forest management data and field sampling data were analyzed. The main results of this research show a widespread decline in oak health conditions over the observed period (2015–2017). Specifically, for the studied area, thanks to the specific localization of the oak canopy cover, we detected a high potential concerning the Sentinel-2 data application in monitoring forest health conditions by NDVI application.
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Sano, Satoshi, Naoki Saito, and Davisi Boontharm. "The Potential of Small Wooden-Frame Building in Aging Japan." Sustainability 15, no. 4 (February 15, 2023): 3602. http://dx.doi.org/10.3390/su15043602.

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Wooden-frame structures, with the capacity for continuous renewal, are key resources for urban regeneration and so comprise one of the most sustainable construction methods. This was true in the past for Japan, but following World War II, wooden-frame structures were demolished and replaced at a rapid pace. However, today, with Japan’s aging and dwindling population, the growing number of abandoned houses has become a socio-economic issue. In response to this crisis, local initiatives have been established to address this problem. Some novel design and management practices have arisen to restore the value of excess wooden-framed buildings. The purpose of this paper is to discuss the current design and renovation practices of vacant wooden-frame buildings in Japan, as well as to evaluate these practices in light of a sustainable future, by approaching this issue from the perspective of architects and designers and investigating their roles in these processes. The paper starts with the evolution of this building type from the past to the present. Data from in-depth interviews with specialists in wooden-frame construction as well as architects who are involved in the renovation of postwar timber dwellings are gathered and discussed. The emphasis here is on the expertise these specialists and architects have in successful cases of design and space management, as well as the incorporation of those buildings into the local community. Our case studies are located in different urban contexts; a regional city, a peripheral area of Tokyo, and central Tokyo. The findings highlight the crucial role of architects who mediate between benefits and drawbacks of current rehabilitation efforts, which are nevertheless still outnumbered by abandoned houses. Nonetheless, these experiences are crucial and valuable for the long-term viability of this building type in Japan.
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Portland, Daniel. "Come, Armageddon! Come! Queer Nihilism and the Margin of the Urban." FORUM: University of Edinburgh Postgraduate Journal of Culture & the Arts, no. 10 (June 5, 2010): 1–9. http://dx.doi.org/10.2218/forum.10.646.

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To think about the literal position of a queer subject, that is, the place where the subject is materially and in relation to other subjects, is to confront the myriad ways in which that subject will be conditioned depending upon how proximate space is normatively differentiated and vice versa. In the context of urban space, by which I mean less a quantity than a quality of density, the spatial narrative that supports the queer subject is twofold—emigration and speculation. First, x escapes a repressive and oppressive rural environment to seek amnesty, either in the form of celebrated welcome or anonymity, in an urban one. Subsequently, x forages into the concrete jungle, creating and in pursuit of circuits of sexual partners and diverse sociabilities.This trajectory, however, has become increasingly contested, both for the way in which it upholds an imaginary boundary between rural and urban and for the subjects it obscures in the process. Pointedly, Karen Tongson, in her essay The Light That Never Goes Out: Butch Intimacies and Sub-Urban Sociabilities in ‘Lesser Los Angeles,’ provides a reading of Samuel Delany’s Times Square Red, Times Square Blue and Jane Jacobs’ The Death and Life of Great American Cities next to Richard Florida’s Cities and the Creative Class to suggest that “the cultural value assigned to urban modes of queer life—to its mobility, style, innovation, improvisation, liveliness, and ‘contact’—has appreciated urban property values while depreciating modes of racialized queer sociability.” Significantly, then, cultural capital appreciates not only in direct proportion to urban property values, but also in favour of the “upwardly mobile queers,” who will eventually be able to inhabit them (364).While Tongson’s analysis is site-specific to east Los Angeles, I want to take a less local approach and consider how alongside locating queers as being complicit with gentrification, might they also be positioned outside of it. I will consider what the aesthetic implications of this might be on sub-urban space. I employ the term sub-urban, as distinct from both urban and suburban, to name a reconceptualization of the city that takes into account the necessary excess produced by the city that cannot be contained by its zoning. This conception hearkens to the etymology of the sub- in suburban, as outside of and spatially beneath the elevated and walled Roman city.The paper will proceed in three parts. The first, The Queen Is Dead, turns to a filmic example of adult sub-urban space. The second, I Sit Down on the Sling Seat and See the City Spread Out between My Legs, provides a textual example of adolescent sub-urban space. And the third, The Future Is Always a Day Away, establishes the theoretical framework in which the argument is couched. Significantly, this framework draws on Lee Edelman's indictment against the Child in his book No Future, which itself draws on Lacanian psychoanalysis and the idea that the future is linguistically-bound. Edelman’s Child is analogized to the discourse surrounding gentrification not only as it privileges creating safe neighborhoods for the rearing of real children, but also as it invests in the idea of a brighter future.
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Zhang, Jue, Zhuhong Wang, Qixin Wu, Yanling An, Huipeng Jia, and Yuanyi Shen. "Anthropogenic Rare Earth Elements: Gadolinium in a Small Catchment in Guizhou Province, Southwest China." International Journal of Environmental Research and Public Health 16, no. 20 (October 22, 2019): 4052. http://dx.doi.org/10.3390/ijerph16204052.

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Rare earth elements (REEs), known as “industrial vitamins”, are widely used in medical treatment, industry, agriculture, etc. However, with the increasing demand for REEs, excess REEs, such as gadolinium (Gd), are considered micropollutants in the environment. In this paper, the distributions of dissolved REEs were analyzed in three small streams, in order to determine the extent and occurrence of Gd anomalies. The shale-normalized REE patterns in the three streams were less smooth with heavy REEs higher than light REEs, for a weak reaction of the heavy REE complexes. A negative Ce (cerium) anomaly and positive samarium (Sm) and europium (Eu) anomalies were observed in the three streams and the negative Ce anomaly was affected by the pH of the alkaline rivers. However, a positive Gd anomaly was found in only a typical urban small stream, Jinzhong. With a population of approximately 60,000, Jinzhong runs by a hospital and through wastewater treatment plants (WWTPs). The concentrations of Gd in Jinzhong ranged from 1.54 to 86.65 ng/L with high anthropogenic Gd proportions (63.64%–98.07%). Anthropogenic Gd showed significant seasonal variations and distinct spatial disparities from upstream to downstream, and it was associated with certain ions such as Cl−. Anthropogenic Gd could be attributed to gadopentetic acid (Gd-DTPA), which is used in magnetic resonance imaging (MRI) in hospitals. This type of Gd was shown to be correlated with municipal wastewater. Due to the high stability and low particulate reactivity in water, anthropogenic Gd has great potential to serve as a tracer to prove the presence of medical wastewater.
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Houghton, Adele. "Health Impact Assessments A Tool for Designing Climate Change Resilience Into Green Building and Planning Projects." Journal of Green Building 6, no. 2 (May 1, 2011): 66–87. http://dx.doi.org/10.3992/jgb.6.2.66.

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Historical records have documented considerable changes to the global climate, with significant health, economic, and environmental consequences. Climate projections predict more intense hurricanes; increased sea level rise; and more frequent and more intense natural disasters such as heat waves, heavy rainfall, and drought in the future (1; 2). The coast along the Gulf of Mexico is particularly vulnerable to many of these environmental hazards and at particular risk when several strike simultaneously—such as a hurricane disrupting electricity transmission during a heat wave. Due to its significant contribution to global greenhouse gas (GHG) emissions, the building sector already plays an important role in climate change mitigation efforts (e.g., reducing emissions). For example, voluntary programs such as the LEED (Leadership in Energy and Environmental Design) Rating System (3), the Architecture 2030 Challenge (4), the American College and University Presidents' Climate Commitment (5), and the Clinton Climate Initiative (6) focus almost exclusively on reducing energy consumption and increasing renewable energy generation. Mandatory regulations such as the International Energy Conservation Code (7), the International Green Building Code (8), and CalGreen (9) also emphasize GHG emission reduction targets. This leadership role is necessary. After all, the United States EPA estimates that the building sector accounts for 62.7% of total annual GHG emissions in the U.S., when the construction sector, facility operations, and transportation are factored in. In fact, the construction sector alone is the third largest industrial emitter of GHGs after the oil and gas and chemical industries, contributing 1.7% of total annual emissions (10; 11). As significant as these contributions appear, the built environment's true contribution to climate change is much larger than the GHG emissions attributed to building construction and operations. It is also a major determinant of which populations are vulnerable to climate change-related hazards, such as heat waves and flooding (12; 13). Architecture and land use planning can therefore be used as tools for building community resilience to the climate-related environmental changes underway (13). Climate change regulations and voluntary programs have begun to incorporate requirements targeting the built environment's ability to work in tandem with the natural environment to both reduce greenhouse gas emissions and protect its occupants from the health consequences of a changing climate. For example, 11 states have incorporated climate change adaptation goals into their climate action plans (14). In 2010, the not-for-profit organization ICLEI: Local Governments for Sustainability launched a climate change adaptation program (15) to complement their existing mitigation program, which supports municipalities who have signed the U.S. Conference of Mayors' Climate Protection Agreement (16). New tools have been introduced to measure community vulnerability to the impacts of climate change. One of these tools, Health Impact Assessments (or HIAs), has emerged over the past decade as a powerful methodology to provide evidence-based recommendations to decision makers and community planning officials about the likely health co-benefits and co-harms associated with proposed policies and land use development proposals (17). While HIAs are becoming a more common feature of community planning efforts, this paper introduces them as an approach to designing climate change resilience into specific building projects. HIAs have been used in Europe and other parts of the world for decades to provide a science-based, balanced assessment of the risks and benefits to health associated with a proposed policy or program (18). In the U.S., they have been used over the past decade to evaluate transit-oriented developments, urban infill projects, and California's capand-trade legislation, among other topics (17; 19). To date, HIAs have been used mainly to inform large-scale community planning, land use, industrial, and policy decisions. However, the recommendations generated through the HIA process often bring to light previously unforeseen vulnerabilities, whether due to existing infrastructure, building technology, or socio-economic conditions. Designers can make use of the HIA process and its resulting recommendations to prioritize design/retrofit interventions that will result in the largest co-benefits to building owners, the surrounding community, and the environment. An HIA focused on the health impacts of climate change will likely generate recommendations that could enhance the longevity of a building project's useful life; protect its property value by contributing to the resilience of the surrounding community; and result in design decisions that prioritize strategies that maximize both short-term efficiencies and long-term environmental, economic, and social value.
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Lou, Yongfeng, Huayu Sun, Chenglei Zhu, Kebin Yang, Xueping Li, and Zhimin Gao. "PeVDE, a violaxanthin de-epoxidase gene from moso bamboo, confers photoprotection ability in transgenic Arabidopsis under high light." Frontiers in Plant Science 13 (August 11, 2022). http://dx.doi.org/10.3389/fpls.2022.927949.

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Plants employ an array of photoprotection mechanisms to alleviate the harmful effects of high light intensity. The violaxanthin cycle, which is associated with non-photochemical quenching (NPQ), involves violaxanthin de-epoxidase (VDE), and zeaxanthin epoxidase (ZEP) and is one of the most rapid and efficient mechanisms protecting plants under high light intensity. Woody bamboo is a class of economically and ecologically important evergreen grass species widely distributed in tropical and subtropical areas. However, the function of VDE in bamboo has not yet been elucidated. In this study, we found that high light intensity increased NPQ and stimulated the de-epoxidation of violaxanthin cycle components in moso bamboo (Phyllostachys edulis), whereas, samples treated with the VDE inhibitor (dithiothreitol) exhibited lower NPQ capacity, suggesting that violaxanthin cycle plays an important role in the photoprotection of bamboo. Further analysis showed that not only high light intensity but also extreme temperatures (4 and 42°C) and drought stress upregulated the expression of PeVDE in bamboo leaves, indicating that PeVDE is induced by multiple abiotic stresses. Overexpression of PeVDE under the control of the CaMV 35S promoter in Arabidopsis mutant npq1 mutant could rescue its NPQ, indicating that PeVDE functions in dissipating the excess absorbed light energy as thermal energy in bamboo. Moreover, compared with wild-type (Col-0) plants, the transgenic plants overexpressing PeVDE displayed enhanced photoprotection ability, higher NPQ capacity, slower decline in the maximum quantum yield of photosystem II (Fv/Fm) under high light intensity, and faster recovery under optimal conditions. These results suggest that PeVDE positively regulates the response to high light intensity in bamboo plants growing in the natural environment, which could improve their photoprotection ability through the violaxanthin cycle and NPQ.
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Molnar, Tamas. "Spectre of the Past, Vision of the Future – Ritual, Reflexivity and the Hope for Renewal in Yann Arthus-Bertrand’s Climate Change Communication Film "Home"." M/C Journal 15, no. 3 (May 3, 2012). http://dx.doi.org/10.5204/mcj.496.

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About half way through Yann Arthus-Bertrand’s film Home (2009) the narrator describes the fall of the Rapa Nui, the indigenous people of the Easter Islands. The narrator posits that the Rapa Nui culture collapsed due to extensive environmental degradation brought about by large-scale deforestation. The Rapa Nui cut down their massive native forests to clear spaces for agriculture, to heat their dwellings, to build canoes and, most importantly, to move their enormous rock sculptures—the Moai. The disappearance of their forests led to island-wide soil erosion and the gradual disappearance of arable land. Caught in the vice of overpopulation but with rapidly dwindling basic resources and no trees to build canoes, they were trapped on the island and watched helplessly as their society fell into disarray. The sequence ends with the narrator’s biting remark: “The real mystery of the Easter Islands is not how its strange statues got there, we know now; it's why the Rapa Nui didn't react in time.” In their unrelenting desire for development, the Rapa Nui appear to have overlooked the role the environment plays in maintaining a society. The island’s Moai accompanying the sequence appear as memento mori, a lesson in the mortality of human cultures brought about by their own misguided and short-sighted practices. Arthus-Bertrand’s Home, a film composed almost entirely of aerial photographs, bears witness to present-day environmental degradation and climate change, constructing society as a fragile structure built upon and sustained by the environment. Home is a call to recognise how contemporary practices of post-industrial societies have come to shape the environment and how they may impact the habitability of Earth in the near future. Through reflexivity and a ritualised structure the text invites spectators to look at themselves in a new light and remake their self-image in the wake of global environmental risk by embracing new, alternative core practices based on balance and interconnectedness. Arthus-Bertrand frames climate change not as a burden, but as a moment of profound realisation of the potential for change and humans ability to create a desirable future through hope and our innate capacity for renewal. This article examines how Arthus-Bertrand’s ritualised construction of climate change aims to remake viewers’ perception of present-day environmental degradation and investigates Home’s place in contemporary climate change communication discourse. Climate change, in its capacity to affect us globally, is considered a world risk. The most recent peer-reviewed Synthesis Report of the Intergovernmental Panel on Climate Change suggests that the concentration of atmospheric greenhouse gases has increased markedly since human industrialisation in the 18th century. Moreover, human activities, such as fossil fuel burning and agricultural practices, are “very likely” responsible for the resulting increase in temperature rise (IPPC 37). The increased global temperatures and the subsequent changing weather patterns have a direct and profound impact on the physical and biological systems of our planet, including shrinking glaciers, melting permafrost, coastal erosion, and changes in species distribution and reproduction patterns (Rosenzweig et al. 353). Studies of global security assert that these physiological changes are expected to increase the likelihood of humanitarian disasters, food and water supply shortages, and competition for resources thus resulting in a destabilisation of global safety (Boston et al. 1–2). Human behaviour and dominant practices of modernity are now on a path to materially impact the future habitability of our home, Earth. In contemporary post-industrial societies, however, climate change remains an elusive, intangible threat. Here, the Arctic-bound species forced to adapt to milder climates or the inhabitants of low-lying Pacific islands seeking refuge in mainland cities are removed from the everyday experience of the controlled and regulated environments of homes, offices, and shopping malls. Diverse research into the mediated and mediatised nature of the environment suggests that rather than from first-hand experiences and observations, the majority of our knowledge concerning the environment now comes from its representation in the mass media (Hamilton 4; Stamm et al. 220; Cox 2). Consequently the threat of climate change is communicated and constructed through the news media, entertainment and lifestyle programming, and various documentaries and fiction films. It is therefore the construction (the representation of the risk in various discourses) that shapes people’s perception and experience of the phenomenon, and ultimately influences behaviour and instigates social response (Beck 213). By drawing on and negotiating society’s dominant discourses, environmental mediation defines spectators’ perceptions of the human-nature relationship and subsequently their roles and responsibilities in the face of environmental risks. Maxwell Boykoff asserts that contemporary modern society’s mediatised representations of environmental degradation and climate change depict the phenomena as external to society’s primary social and economic concerns (449). Julia Corbett argues that this is partly because environmental protection and sustainable behaviour are often at odds with the dominant social paradigms of consumerism, economic growth, and materialism (175). Similarly, Rowan Howard-Williams suggests that most media texts, especially news, do not emphasise the link between social practices, such as consumerist behaviour, and their environmental consequences because they contradict dominant social paradigms (41). The demands contemporary post-industrial societies make on the environment to sustain economic growth, consumer culture, and citizens’ comfortable lives in air-conditioned homes and offices are often left unarticulated. While the media coverage of environmental risks may indeed have contributed to “critical misperceptions, misleading debates, and divergent understandings” (Boykoff 450) climate change possesses innate characteristics that amplify its perception in present-day post-industrial societies as a distant and impersonal threat. Climate change is characterised by temporal and spatial de-localisation. The gradual increase in global temperature and its physical and biological consequences are much less prominent than seasonal changes and hence difficult to observe on human time-scales. Moreover, while research points to the increased probability of extreme climatic events such as droughts, wild fires, and changes in weather patterns (IPCC 48), they take place over a wide range of geographical locations and no single event can be ultimately said to be the result of climate change (Maibach and Roser-Renouf 145). In addition to these observational obstacles, political partisanship, vested interests in the current status quo, and general resistance to profound change all play a part in keeping us one step removed from the phenomenon of climate change. The distant and impersonal nature of climate change coupled with the “uncertainty over consequences, diverse and multiple engaged interests, conflicting knowledge claims, and high stakes” (Lorenzoni et al. 65) often result in repression, rejection, and denial, removing the individual’s responsibility to act. Research suggests that, due to its unique observational obstacles in contemporary post-industrial societies, climate change is considered a psychologically distant event (Pawlik 559), one that is not personally salient due to the “perceived distance and remoteness [...] from one’s everyday experience” (O’Neill and Nicholson-Cole 370). In an examination of the barriers to behaviour change in the face of psychologically distant events, Robert Gifford argues that changing individuals’ perceptions of the issue-domain is one of the challenges of countering environmental inertia—the lack of initiative for environmentally sustainable social action (5). To challenge the status quo a radically different construction of the environment and the human-nature relationship is required to transform our perception of global environmental risks and ultimately result in environmentally consequential social action. Yann Arthus-Bertrand’s Home is a ritualised construction of contemporary environmental degradation and climate change which takes spectators on a rite of passage to a newfound understanding of the human-nature relationship. Transformation through re-imagining individuals’ roles, responsibilities, and practices is an intrinsic quality of rituals. A ritual charts a subjects path from one state of consciousness to the next, resulting in a meaningful change of attitudes (Deflem 8). Through a lifelong study of African rituals British cultural ethnographer Victor Turner refined his concept of rituals in a modern social context. Turner observed that rituals conform to a three-phased processural form (The Ritual Process 13–14). First, in the separation stage, the subjects are selected and removed from their fixed position in the social structure. Second, they enter an in-between and ambiguous liminal stage, characterised by a “partial or complete separation of the subject from everyday existence” (Deflem 8). Finally, imbued with a new perspective of the outside world borne out of the experience of reflexivity, liminality, and a cathartic cleansing, subjects are reintegrated into the social reality in a new, stable state. The three distinct stages make the ritual an emotionally charged, highly personal experience that “demarcates the passage from one phase to another in the individual’s life-cycle” (Turner, “Symbols” 488) and actively shapes human attitudes and behaviour. Adhering to the three-staged processural form of the ritual, Arthus-Bertrand guides spectators towards a newfound understanding of their roles and responsibilities in creating a desirable future. In the first stage—the separation—aerial photography of Home alienates viewers from their anthropocentric perspectives of the outside world. This establishes Earth as a body, and unearths spectators’ guilt and shame in relation to contemporary world risks. Aerial photography strips landscapes of their conventional qualities of horizon, scale, and human reference. As fine art photographer Emmet Gowin observes, “when one really sees an awesome, vast place, our sense of wholeness is reorganised [...] and the body seems always to diminish” (qtd. in Reynolds 4). Confronted with a seemingly infinite sublime landscape from above, the spectator’s “body diminishes” as they witness Earth’s body gradually taking shape. Home’s rushing rivers of Indonesia are akin to blood flowing through the veins and the Siberian permafrost seems like the texture of skin in extreme close-up. Arthus-Bertrand establishes a geocentric embodiment to force spectators to perceive and experience the environmental degradation brought about by the dominant social practices of contemporary post-industrial modernity. The film-maker visualises the maltreatment of the environment through suggested abuse of the Earth’s body. Images of industrial agricultural practices in the United States appear to leave scratches and scars on the landscape, and as a ship crosses the Arctic ice sheets of the Northwest Passage the boat glides like the surgeon’s knife cutting through the uppermost layer of the skin. But the deep blue water that’s revealed in the wake of the craft suggests a flesh and body now devoid of life, a suffering Earth in the wake of global climatic change. Arthus-Bertrand’s images become the sublime evidence of human intervention in the environment and the reflection of present-day industrialisation materially altering the face of Earth. The film-maker exploits spectators’ geocentric perspective and sensibility to prompt reflexivity, provide revelations about the self, and unearth the forgotten shame and guilt in having inadvertently caused excessive environmental degradation. Following the sequences establishing Earth as the body of the text Arthus-Bertrand returns spectators to their everyday “natural” environment—the city. Having witnessed and endured the pain and suffering of Earth, spectators now gaze at the skyscrapers standing bold and tall in the cityscape with disillusionment. The pinnacles of modern urban development become symbols of arrogance and exploitation: structures forced upon the landscape. Moreover, the images of contemporary cityscapes in Home serve as triggers for ritual reflexivity, allowing the spectator to “perceive the self [...] as a distanced ‘other’ and hence achieve a partial ‘self-transcendence’” (Beck, Comments 491). Arthus-Bertrand’s aerial photographs of Los Angeles, New York, and Tokyo fold these distinct urban environments into one uniform fusion of glass, metal, and concrete devoid of life. The uniformity of these cultural landscapes prompts spectators to add the missing element: the human. Suddenly, the homes and offices of desolate cityscapes are populated by none other than us, looking at ourselves from a unique vantage point. The geocentric sensibility the film-maker invoked with the images of the suffering Earth now prompt a revelation about the self as spectators see their everyday urban environments in a new light. Their homes and offices become blemishes on the face of the Earth: its inhabitants, including the spectators themselves, complicit in the excessive mistreatment of the planet. The second stage of the ritual allows Arthus-Bertrand to challenge dominant social paradigms of present day post-industrial societies and introduce new, alternative moral directives to govern our habits and attitudes. Following the separation, ritual subjects enter an in-between, threshold stage, one unencumbered by the spatial, temporal, and social boundaries of everyday existence. Turner posits that a subjects passage through this liminal stage is necessary to attain psychic maturation and successful transition to a new, stable state at the end of the ritual (The Ritual Process 97). While this “betwixt and between” (Turner, The Ritual Process 95) state may be a fleeting moment of transition, it makes for a “lived experience [that] transforms human beings cognitively, emotionally, and morally.” (Horvath et al. 3) Through a change of perceptions liminality paves the way toward meaningful social action. Home places spectators in a state of liminality to contrast geocentric and anthropocentric views. Arthus-Bertrand contrasts natural and human-made environments in terms of diversity. The narrator’s description of the “miracle of life” is followed by images of trees seemingly defying gravity, snow-covered summits among mountain ranges, and a whale in the ocean. Grandeur and variety appear to be inherent qualities of biodiversity on Earth, qualities contrasted with images of the endless, uniform rectangular greenhouses of Almeria, Spain. This contrast emphasises the loss of variety in human achievements and the monotony mass-production brings to the landscape. With the image of a fire burning atop a factory chimney, Arthus-Bertrand critiques the change of pace and distortion of time inherent in anthropocentric views, and specifically in contemporary modernity. Here, the flames appear to instantly eat away at resources that have taken millions of years to form, bringing anthropocentric and geocentric temporality into sharp contrast. A sequence showing a night time metropolis underscores this distinction. The glittering cityscape is lit by hundreds of lights in skyscrapers in an effort, it appears, to mimic and surpass daylight and thus upturn the natural rhythm of life. As the narrator remarks, in our present-day environments, “days are now the pale reflections of nights.” Arthus-Bertrand also uses ritual liminality to mark the present as a transitory, threshold moment in human civilisation. The film-maker contrasts the spectre of our past with possible visions of the future to mark the moment of now as a time when humanity is on the threshold of two distinct states of mind. The narrator’s descriptions of contemporary post-industrial society’s reliance on non-renewable resources and lack of environmentally sustainable agricultural practices condemn the past and warn viewers of the consequences of continuing such practices into the future. Exploring the liminal present Arthus-Bertrand proposes distinctive futurescapes for humankind. On the one hand, the narrator’s description of California’s “concentration camp style cattle farming” suggests that humankind will live in a future that feeds from the past, falling back on frames of horrors and past mistakes. On the other hand, the example of Costa Rica, a nation that abolished its military and dedicated the budget to environmental conservation, is recognition of our ability to re-imagine our future in the face of global risk. Home introduces myths to imbue liminality with the alternative dominant social paradigm of ecology. By calling upon deep-seated structures myths “touch the heart of society’s emotional, spiritual and intellectual consciousness” (Killingsworth and Palmer 176) and help us understand and come to terms with complex social, economic, and scientific phenomena. With the capacity to “pattern thought, beliefs and practices,” (Maier 166) myths are ideal tools in communicating ritual liminality and challenging contemporary post-industrial society’s dominant social paradigms. The opening sequence of Home, where the crescent Earth is slowly revealed in the darkness of space, is an allusion to creation: the genesis myth. Accompanied only by a gentle hum our home emerges in brilliant blue, white, and green-brown encompassing most of the screen. It is as if darkness and chaos disintegrated and order, life, and the elements were created right before our eyes. Akin to the Earthrise image taken by the astronauts of Apollo 8, Home’s opening sequence underscores the notion that our home is a unique spot in the blackness of space and is defined and circumscribed by the elements. With the opening sequence Arthus-Bertrand wishes to impart the message of interdependence and reliance on elements—core concepts of ecology. Balance, another key theme in ecology, is introduced with an allusion to the Icarus myth in a sequence depicting Dubai. The story of Icarus’s fall from the sky after flying too close to the sun is a symbolic retelling of hubris—a violent pride and arrogance punishable by nemesis—destruction, which ultimately restores balance by forcing the individual back within the limits transgressed (Littleton 712). In Arthus-Bertrand’s portrayal of Dubai, the camera slowly tilts upwards on the Burj Khalifa tower, the tallest human-made structure ever built. The construction works on the tower explicitly frame humans against the bright blue sky in their attempt to reach ever further, transgressing their limitations much like the ill-fated Icarus. Arthus-Bertrand warns that contemporary modernity does not strive for balance or moderation, and with climate change we may have brought our nemesis upon ourselves. By suggesting new dominant paradigms and providing a critique of current maxims, Home’s retelling of myths ultimately sees spectators through to the final stage of the ritual. The last phase in the rite of passage “celebrates and commemorates transcendent powers,” (Deflem 8) marking subjects’ rebirth to a new status and distinctive perception of the outside world. It is at this stage that Arthus-Bertrand resolves the emotional distress uncovered in the separation phase. The film-maker uses humanity’s innate capacity for creation and renewal as a cathartic cleansing aimed at reconciling spectators’ guilt and shame in having inadvertently exacerbated global environmental degradation. Arthus-Bertrand identifies renewable resources as the key to redeeming technology, human intervention in the landscape, and finally humanity itself. Until now, the film-maker pictured modernity and technology, evidenced in his portrayal of Dubai, as synonymous with excess and disrespect for the interconnectedness and balance of elements on Earth. The final sequence shows a very different face of technology. Here, we see a mechanical sea-snake generating electricity by riding the waves off the coast of Scotland and solar panels turning towards the sun in the Sahara desert. Technology’s redemption is evidenced in its ability to imitate nature—a move towards geocentric consciousness (a lesson learned from the ritual’s liminal stage). Moreover, these human-made structures, unlike the skyscrapers earlier in the film, appear a lot less invasive in the landscape and speak of moderation and union with nature. With the above examples Arthus-Bertrand suggests that humanity can shed the greed that drove it to dig deeper and deeper into the Earth to acquire non-renewable resources such as oil and coal, what the narrator describes as “treasures buried deep.” The incorporation of principles of ecology, such as balance and interconnectedness, into humanity’s behaviour ushers in reconciliation and ritual cleansing in Home. Following the description of the move toward renewable resources, the narrator reveals that “worldwide four children out of five attend school, never has learning been given to so many human beings” marking education, innovation, and creativity as the true inexhaustible resources on Earth. Lastly, the description of Antarctica in Home is the essence of Arthus-Bertrand’s argument for our innate capacity to create, not simply exploit and destroy. Here, the narrator describes the continent as possessing “immense natural resources that no country can claim for itself, a natural reserve devoted to peace and science, a treaty signed by 49 nations has made it a treasure shared by all humanity.” Innovation appears to fuel humankind’s transcendence to a state where it is capable of compassion, unification, sharing, and finally creating treasures. With these examples Arthus-Bertrand suggests that humanity has an innate capacity for creative energy that awaits authentic expression and can turn humankind from destroyer to creator. In recent years various risk communication texts have explicitly addressed climate change, endeavouring to instigate environmentally consequential social action. Home breaks discursive ground among them through its ritualistic construction which seeks to transform spectators’ perception, and in turn roles and responsibilities, in the face of global environmental risks. Unlike recent climate change media texts such as An Inconvenient Truth (2006), The 11th Hour (2007), The Age of Stupid (2009), Carbon Nation (2010) and Earth: The Operator’s Manual (2011), Home eludes simple genre classification. On the threshold of photography and film, documentary and fiction, Arthus-Bertrand’s work is best classified as an advocacy film promoting public debate and engagement with a universal concern—the state of the environment. The film’s website, available in multiple languages, contains educational material, resources to organise public screenings, and a link to GoodPlanet.info: a website dedicated to environmentalism, including legal tools and initiatives to take action. The film-maker’s approach to using Home as a basis for education and raising awareness corresponds to Antonio Lopez’s critique of contemporary mass-media communications of global risks. Lopez rebukes traditional forms of mediatised communication that place emphasis on the imparting of knowledge and instead calls for a participatory, discussion-driven, organic media approach, akin to a communion or a ritual (106). Moreover, while texts often place a great emphasis on the messenger, for instance Al Gore in An Inconvenient Truth, Leonardo DiCaprio in The 11th Hour, or geologist Dr. Richard Alley in Earth: The Operator’s Manual, Home’s messenger remains unseen—the narrator is only identified at the very end of the film among the credits. The film-maker’s decision to forego a central human character helps dissociate the message from the personality of the messenger which aids in establishing and maintaining the geocentric sensibility of the text. Finally, the ritual’s invocation and cathartic cleansing of emotional distress enables Home to at once acknowledge our environmentally destructive past habits and point to a hopeful, environmentally sustainable future. While The Age of Stupid mostly focuses on humanity’s present and past failures to respond to an imminent environmental catastrophe, Carbon Nation, with the tagline “A climate change solutions movie that doesn’t even care if you believe in climate change,” only explores the potential future business opportunities in turning towards renewable resources and environmentally sustainable practices. The three-phased processural form of the ritual allows for a balance of backward and forward-looking, establishing the possibility of change and renewal in the face of world risk. The ritual is a transformative experience. As Turner states, rituals “interrupt the flow of social life and force a group to take cognizance of its behaviour in relation to its own values, and even question at times the value of those values” (“Dramatic Ritual” 82). Home, a ritualised media text, is an invitation to look at our world, its dominant social paradigms, and the key element within that world—ourselves—with new eyes. It makes explicit contemporary post-industrial society’s dependence on the environment, highlights our impact on Earth, and reveals our complicity in bringing about a contemporary world risk. The ritual structure and the self-reflexivity allow Arthus-Bertrand to transform climate change into a personally salient issue. This bestows upon the spectator the responsibility to act and to reconcile the spectre of the past with the vision of the future.Acknowledgments The author would like to thank Dr. Angi Buettner whose support, guidance, and supervision has been invaluable in preparing this article. 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Hookway, Nicholas. "Tasting the Ethical: Vegetarianism as Modern Re-Enchantment." M/C Journal 17, no. 1 (March 18, 2014). http://dx.doi.org/10.5204/mcj.759.

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Abstract:
Introduction There is, as Andrew Rowan dubs it, a “constant paradox” in the way we treat, relate to, and consume animals in our everyday lives (Arluke and Sanders 4). This paper examines this paradox in relation to the rise of vegetarianism as a new taste and consumer culture in the West. The first part of the paper, drawing upon Bourdieu, argues that vegetarian “taste” is fundamentally a social practice linked to class and gender. It then offers a preliminary theoretical sketch of the sociological drivers and consequences of vegetarianism in late-modernity, drawing on social theory. Having established the theoretical framework, the second part of the paper turns to an empirical analysis of the moral motivations and experiences of a selection of Australian bloggers. The key argument is that the bloggers narrate vegetarianism as a taste practice that entangles self-care with a larger assemblage of non-human responsibility that works to re-enchant a demoralised consumer modernity. Vegetarianism as Taste Practice “Taste classifies, and it classifies the classifier”, Pierre Bourdieu famously claimed (xxix). Bourdieu demonstrated the classificatory power of taste not only in relation to music, home décor, and art but also in relation to food. Taste, for Bourdieu, is a social process by which people actively communicate social position through classification of the judgements and preferences of both themselves and others. For example, he highlighted how the working-class dislike for fish was part of a wider class system of dispositions where the middle-class favour “the light, the refined and the delicate” defined in negation of working-class taste for “the heavy, the fat and the coarse” (182–83). How then do we read vegetarianism as a taste practice? First, we need to take Bourdieu’s point that vegetarianism is not simply an expression of personal preference, but is a social practice that articulates identity, group membership, and systems of cultural distinction. Bourdieu, while not writing about vegetarianism, did link meat eating to masculine and working-class displays of embodied strength and power—“warrior food”, as Nietzsche called it (Bennett 141). Meat, Bourdieu wrote, was “nourishing food par excellence, strong and strong-making, giving vigour, blood, and health is the dish for men” (190). On this reading, meat avoidance can be located as part of a middle-class taste for the “light” and the “healthy” but also a rejection of working-class and masculine food taste practices. Vegetarianism, like buying fair-trade, organic, and eco-friendly, might be theorised as a symbolic device for enacting middle-class displays of cultural distinction based on claims to moral purity and virtue. On the gender front, female vegetarians conform to taste trends for middle-class women—light, not fattening, and healthy—whereas for men, vegetarianism is linked to the rejection of “hegemonic” masculinity and patriarchy (Bourdieu; Connell). Empirical research partially lends support to this depiction, showing that vegetarianism is predominantly practiced by female, middle-class, university-qualified professionals working in service-sector or white-collar occupations (RealEat; Keane and Willetts). This kind of Bourdieuian analysis is important in drawing attention to the social configurations of vegetarianism as a taste practice. It, however, misses the ethical substance of vegetarianism and the wider social and cultural changes that are driving its growth in the West. The following section addresses this gap. Theorising Vegetarianism Adrian Franklin explains the growth of vegetarianism in the last part of the 20th century as part of a process of “de-centring” human-animal relations in conditions of late-modernity. Franklin suggests that vegetarianism is part of a wider social and cultural shift where animals make new types of moral claims on humans as they form closer and more intimate emotional bonds. He argues that in the context of widespread feelings of moral decline and disorder, animals are constructed as morally pure and innocent, and humans morally blameworthy and destructive (Franklin 196). From this perspective, vegetarianism is less about an ethical regards for animals but more about what animals reveal about human moral worlds: the reflections are less about an ethical consideration of the “Other” and more about a moral consideration of “ourselves” (Franklin 196). A sticker plastered on the door of my local vegetarian café encapsulates this perspective: it reads, “humans are the real pests.” Unlike Bourdieu and Franklin, Tester is important in moving from a narrow focus on what humans “do” with animals as symbolic or communicative acts to the ethical significance of vegetarianism. Tester makes a critical distinction between the “ethical” and “lifestyle” vegetarian. In Tester’s terms, the “lifestyle” vegetarian avoids meat for health and well-being reasons while the “ethical” vegetarian is concerned for the ethical treatment of animals. The “lifestyle” vegetarian is problematic for Tester due to “the being of the ethical conduct of life” being substituted for “the doing of the consumer” (218). Vegetarianism becomes emptied of moral meaning as it turns into big business marked by the growth of a multi-billion dollar faux meat industry, trendy vegetarian restaurants, lifestyle converts, and celebrity endorsements. In “lifestyle” mode, Tester argues, vegetarian concern for animal cruelty, slaughter, and death is colonised by a narcissistic concern for slimming, youth, and health—for the promotion of a contented consumer self (Humphery). Although Tester highlights the ethical substance of vegetarianism and the challenges it faces in a consumer world, like the rest of the accounts, it tends to be anthropocentric. Animals tend to speak solely to human worlds, ignoring the vitality and “distributed agency” (Bennett 38) of the non-human. The non-human animal tends to be construed as a passive and inert resource existing solely for human intentionality, rather than acknowledging their “vital power” and “liveliness” outside human agendas (133). Bennett claims that eating highlights the inseparability of humans and edible matter, and the capacity for both human and nonhuman bodies to effect social and political change. She proposes that through a greater sense of ourselves as entwined with, and part of, nature as physical entities, we can enchant the world and become energised as co-participants. Here vegetarianism can be understood as part of recognition of the “assemblage” of human and non-human actions, where self, body, nature and planet become mutually constituting and supportive. Vegetarian taste is not just about middle-class concerns for distinction, but an ethics of the non-human. What does vegetarianism as an ethical taste practice look like “on the ground”? What are the moral motivations for becoming vegetarian, and how is this understood and experienced? What roles do lifestyle and ethical motivations play in vegetarian eating behaviours? In the following section, I turn to a selection of Australian bloggers to make a modest contribution to understanding these questions in the contemporary Australian context. The bloggers are taken from a wider study that analysed 44 urban Australian blogs as part of a project on everyday Australian moralities. The blogs were sampled from the blog hosting website LiveJournal (LJ) between 2006 and 2007. Blog usernames used have been fictionalised to maintain anonymity. Specifically, I focus on a selection of three blog case studies: Universal_cloak, a 32-year-old female artistic designer from Melbourne, Starbright, a 28-year-old female student from Brisbane, and Snig, a 25-year-old male paramedic from Melbourne. The bloggers are a representative selection from a wider sample of blog writing on vegetarianism and human-animal relations. The blog narratives complicate Tester’s simplistic distinction between the “ethical” and “lifestyle” vegetarian, articulating vegetarianism as form of ethical practice that works to morally enchant the world in a dialogue between self-improvement, personal well-being, and ethical relationships with animals and the planet (Taylor). Vegetarianism in Practice: “Positive for Me, Positive for Others” Universal_cloak writes how “being hippy—wearing hippy clothes, eating healthy organic food and being full of positive energy” makes her “feel healthier […] like I’m doing a better thing for the world (society in particular) […] like I’m doing something good”. Being “authentic” to a “hippy” identity—“being true to herself”—is connected for Universal_cloak to a wider concern for the non-human—for animals, nature, and the planet. An important component of this link between self-fulfilment and “doing a better thing for the world” is not eating the “corpses of animals.” Universal_cloak describes this in detail, at the same time underlining the environmental dimensions of her vegetarianism: I feel sick to my stomach to think that an animal dies so I can eat. Why is it any different to feel the same way that people are abused, tortured and killed, that eco-systems are ravaged and torn up and irreversibly damaged, just so I can have the choice of four kinds of marinated tuna in a can? So I can have two newsagents to choose from? So I can have Alice Cooper iron-on patches, miniature plastic bowling pins, disposable cameras, instant oats, microwavable popcorn, extra-soft, quilted and fucking fragranced toilet paper? McDonalds fucking everywhere [...] ugh, I can't take it. I need to go to bed. No wonder depression is on the rise—we have a kingdom of putrid revulsion to look down upon. Vegetarianism figures for Universal_cloak as a form of ethical consumption that enables resistance to feelings of modern demoralisation, to the feeling of being “swallowed up by the great hulky polluted monster, with ads and consumer shit everywhere around you.” For Universal_cloak, vegetarianism works to both critique and re-enchant modernity: a way of saying “she doesn’t agree with the modern world” but also building a “better world around herself.” She writes that following her “ideal diet” of “fair-trade, veg-o, organic and local” and not “white bread and processed meat” gives her a strong sense of “staving off her fear that I’m fucking up the planet”. Universal_cloak locates vegetarianism within an assemblage of self-interest, nutritional advantage, ecological sustainability, and anti-consumerism (Bennett). Universal_cloak, ­as Tester distinguishes, is neither a straightforward “lifestyle vegetarian” or “ethical vegetarian” (218), neither avoiding meat-eating solely because of reasons to do with health, well-being, and risk avoidance or due to an ethical regard for the being of animals. Universal_cloak shows up Tester’s critique on two fronts. First, she highlights how vegetarianism comes alive in an assemblage that includes not only the needs of the non-human animal but also the materiality of food production, marketing, consumerism, and issues of ecological unsustainability. Universal_Cloak’s practice reflects a wider “greening of the ‘vegetarian assemblage’.” As an advertisement on the Australian Vegetarian Society’s website states: “reduce your eco footprint—GO VEGO.” Secondly, Universal_cloak underscores how Tester is bound to an overly pessimistic reading of contemporary lifestyle cultures of well-being or self-improvement. Tester reads the “lifestyle vegetarian,” focused on well-being and health, as morally inferior. In contrast, Universal_cloak reveals how vegetarianism built around a culture of self-improvement—being true to her “hippy” identity—connects her to a larger web of interacting material flows and forces constituted between self, body, non-human animals, and planetary concern. As Bennett argues, recognising the entanglement of self within a larger assemblage of the non-human means that self-interest is refashioned as ecological and interconnected ­(119). Starbright, a 28-year-old woman from Brisbane and newly practising Buddhist, further captures the expansion of self-interest within the larger aggregate of ecological and non-human concern. Picking up a copy of Peter Singer’s call to arms Animal Liberation in a second-hand bookshop while travelling in Laos, Starbright describes how she initially decided to make “a firm decision to stick to vegetarianism.” Now a devoted vegan, Starbright abstains from eating and using “anything that comes from an animal”, including clothing and footwear (e.g., wool, silk, and leather), food sources such as eggs, milk, honey or cochineal (red dye from beetles) and cosmetic products that may either contain animal derivatives or have been tested on animals. While requiring rigorous discipline and regulation of the self—a kind of secular version of Weber’s Protestant ascetic—Starbright depicts her decision to become vegan as being “one of the easiest and most rewarding changes I've made in my life.” In explaining this, Starbright, in a manner similar to that of Universal_cloak, invokes the interconnections between humans and ecological and animal life as the basis of her moral motivation. She writes: “I’m just another well-informed individual who has discovered the virtues of not eating meat, like being environmentally and ethically aware.” Starbright positions her choice not to eat meat as both an ethical and political act, which compounds to improve the lives of both human and non-human animals: If I don’t support the meat industry, I make a tiny dent in the consumption rate. Others around me take on vegetarianism, and the effect increases. Others eat less meat around me, and the dent gets slightly bigger [...] Less grazing land needed means less environmental destruction as well. Less crops to feed the animals as well. Veganism is a “rewarding change” not only because “its good to reduce suffering” but also because it is “positive to [her] health”, that she is “happier now” and she “get[s] a positive feeling out of it.” Starbright adds: “it just makes me happy, and it reduces the suffering in the world—that’s the main reason I do it.” Vegetarianism enables Starbright to engage in clearly defined morally “good works,” where there is mutual reinforcement of the “feel-good factor” (Franklin 36) between personal wellbeing and “care for the Other” (Bauman 8): “it just seems positive for me, and positive for others.” This is a form of care not perpetuating a human centred approach, which Bennett (88) warns against, but one that recognises the entanglement of human lives with non-human lives—where humans are called upon to recognise that the plight of animals and the environment is also our own plight. Snig similarly places his practice of vegetarianism within a dialectic of self-fulfilment and interconnection with the non-human world. For him, vegetarianism is about maintaining what he refers to as “internal balance,” enabling him to avoid “over-filling” his “physical needs” bucket at the expense of his “emotional bucket.” Snig believes that much of the “physical or psychic illness, unhappiness and dissatisfaction” experienced in the contemporary West is due to an “over-filling” or “over-satisfaction of one at the expense of another.” Accordingly, he advocates the “positive effects” of “filling the emotional bucket” by “doing good works” which downplay the negative psychological consequences of an “excess of sex but no romantic love” and an “excess of shallow entertainment but no deeper intellectual life.” Snig writes: If you put yourself in a position where you have a greater capacity to do good works, the path to do so becomes easier. But if you’re hopelessly mired in your own filth, any benefit you do to the world will be by accident. If you’re so locked up in your tiny little world of tv-fast-food-boring job, you can’t see what the big wide world has to offer, and what you have to offer it. Step outside and it can become much clearer. Similar to Universal_cloak, there is an emphasis in Snig’s blog on how “doing good works” (which includes vegetarianism, alongside working as a paramedic, living in small flat in the city, and volunteering on conservation projects) enables a kind of moral renewal in a perceived demoralised consumer modernity. Abstaining from eating meat—sometimes alone, but often in conjunction with a range of other eco-friendly acts—works as a way of distancing oneself, of “stepping outside,” from the excess and waste of modernity and a practical way of “doing good,” of “trying to make a better world.” Conclusion This paper has analysed vegetarianism as a contemporary taste and consumer practice. Drawing upon Bourdieu, the first part argued that it is important to recognise vegetarianism as a taste practice with distinct social configurations that are classed and gendered. Vegetarianism is linked to taste as a vehicle of distinction, making and reinforcing social divisions and distance. In such an analysis, Vegetarianism aligns with feminine and middle-class notions of food as “light, healthy and non-fattening” and for men can figure as a rejection of dominant forms of masculinity. It was argued that while Bourdieu is useful for highlighting the social dimensions of taste, this form of analysis underplays the ethical substance of vegetarianism and the wider drivers of change in contemporary human–animal relations. Here the paper drew upon the work of Franklin, Tester, and Bennett. The first two authors underline the tensions between ethics, consumerism, and lifestyle in late-modernity while Bennett highlights the distribution of agency across human/non-human “assemblages.” This theoretical background was used as a framework to investigate blogged accounts of vegetarianism. The bloggers highlight how vegetarianism works as a moral space for performing “good works” and re-enchanting a demoralised consumer modernity. In Universal_cloak’s words, vegetarianism serves as a way of saying “you don’t agree with the modern world”. Critiquing Tester’s distinction between the “lifestyle” and “ethical” vegetarian, the bloggers show how vegetarianism/veganism is constituted in a complex assemblage between health, personal well-being, animal, and environmental concerns. Drawing upon Bennett, it was suggested that vegetarianism emerges as part of a refashioning of self-interest where concerns for self and personal wellbeing are articulated within wider concerns for nature, animals and the planet. This paper raises bigger questions concerning how animals enter into human lives as “particular” Others in conditions of growing human–animal closeness. For example, to what extent will responsibility for and with the non-human grow and how will this impact upon meat eating in the West? Will vegetarianism flourish as part of contemporary middle-class taste trends toward “green,” “healthy,” and “organic” consumption? The question remains whether vegetarianism will primarily be an expression of middle-class distinction or part of a genuine ecological sensibility where the non-human—both animal and planetary—play a significant role in the working out of moral sensibilities. Perhaps Universal_cloak’s practice of vegetarianism provides an important model, where contemporary concern for self-fulfilment, health, and well-being are articulated within a large assemblage of interdependence and connection with animals, nature and the environment. The recent UN recommendation to either reduce meat-intake or adopt a plant-based diet to minimise carbon emissions (Steinfeld et al.) suggests that the nexus between human, animal, and environmental responsibility is, and will continue to be, central to everyday moral negotiation in late-modernity. References Arluke, Arnold, and Clinton R. Sanders. Regarding Animals. Philadelphia: Temple UP, 1996. Bauman, Zygmunt. Postmodern Ethics. Oxford: Blackwell, 1993. Bennett, Jane. Vibrant Matter: A Political Ecology of Things. Duke UP, 2010. Bourdieu, Pierre. Distinction: A Social Critique of the Judgement of Taste. Harvard UP, 1984. Franklin, Adrian. Animals and Modern Cultures: A Sociology of Human–Animal Relations in Modernity. London: Sage, 1999.Humphrey, Kim. Excess: Anti-Consumerism in the West. Cambridge: Polity, 2009. Keane, Anne, and Anna Willets. Concepts of Healthy Eating: An Anthropological Investigation in South-East London. London: Goldsmiths College, 1996. RealEat Survey Office. The RealEat Survey 1984–1993: Changing Attitudes to Meat Consumption. London: Vegetarian Society, 1995. Steinfeld, Henning, Pierre Gerber, Tom Wassenaar, Vincent Castel, Mauricio Rosales, M. and Cees de Haan. “LiveStock’s Long Shadow: Environmental Issues and Options”. Food and Agriculture Organisation of the United Nations (2006). 10 Jan. 2014 ‹http://www.fao.org/docrep/010/a0701e/a0701e00.HTM›. Taylor, Charles. The Ethics of Authenticity. Cambridge: Harvard UP, 1992. Tester, Keith. “The Moral Malaise of McDonaldization: The Values of Vegetarianism”. Resisting McDonaldization. Ed. Barry Smart. London: Sage, 1999. 207–222.
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17

Wallace, Derek. "'Self' and the Problem of Consciousness." M/C Journal 5, no. 5 (October 1, 2002). http://dx.doi.org/10.5204/mcj.1989.

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Whichever way you look at it, self is bound up with consciousness, so it seems useful to review some of the more significant existing conceptions of this relationship. A claim by Mikhail Bakhtin can serve as an anchoring point for this discussion. He firmly predicates the formation of self not just on the existence of an individual consciousness, but on what might be called a double or social (or dialogic) consciousness. Summarising his argument, Pam Morris writes: 'A single consciousness could not generate a sense of its self; only the awareness of another consciousness outside the self can produce that image.' She goes on to say that, 'Behind this notion is Bakhtin's very strong sense of the physical and spatial materiality of bodily being,' and quotes directly from Bakhtin's essay as follows: This other human being whom I am contemplating, I shall always see and know something that he, from his place outside and over against me, cannot see himself: parts of his body that are inaccessible to his own gaze (his head, his face and its expression), the world behind his back . . . are accessible to me but not to him. As we gaze at each other, two different worlds are reflected in the pupils of our eyes . . . to annihilate this difference completely, it would be necessary to merge into one, to become one and the same person. This ever--present excess of my seeing, knowing and possessing in relation to any other human being, is founded in the uniqueness and irreplaceability of my place in the world. (Bakhtin in Morris 6 Recent investigations in neuroscience and the philosophy of mind lay down a challenge to this social conception of the self. Notably, it is a challenge that does not involve the restoration of any variant of Cartesian rationalism; indeed, it arguably over--privileges rationalism's subjective or phenomenological opposite. 'Self' in this emerging view is a biologically generated but illusory construction, an effect of the operation of what are called 'neural correlates of consciousness' (NCC). Very briefly, an NCC refers to the distinct pattern of neurochemical activity, a 'neural representational system' -- to some extent observable by modern brain--imaging equipment – that corresponds to a particular configuration of sense--phenomena, or 'content of consciousness' (a visual image, a feeling, or indeed a sense of self). Because this science is still largely hypothetical, with many alternative terms and descriptions, it would be better in this limited space to focus on one particular account – one that is particularly well developed in the area of selfhood and one that resonates with other conceptions included in this discussion. Thomas Metzinger begins by postulating the existence within each person (or 'system' in his terms) of a 'self--model', a representation produced by neural activity -- what he calls a 'neural correlate of self--consciousness' -- that the individual takes to be the actual self, or what Metzinger calls the 'phenomenal self'. 'A self--model is important,' Metzinger says, 'in enabling a system to represent itself to itself as an agent' (293). The individual is able to maintain this illusion because 'the self--model is the only representational structure that is anchored in the brain by a continuous source of internally generated input' (297). In a manner partly reminiscent of Bakhtin, he continues: 'The body is always there, and although its relational properties in space and in movement constantly change, the body is the only coherent perceptual object that constantly generates input.' The reason why the individual is able to jump from the self--model to the phenomenal self in the first place is because: We are systems that are not able to recognise their subsymbolic self--model as a model. For this reason, we are permanently operating under the conditions of a 'naïve--realistic self--misunderstanding': We experience ourselves as being in direct and immediate epistemic contact with ourselves. What we have in the past simply called a 'self' is not a non--physical individual, but only the content of an ongoing dynamical process – the process of transparent self—modeling. (Metzinger 299) The question that nonetheless arises is why it should be concluded that this self--model emerges from subjective neural activity and not, say, from socialisation. Why should a self--model be needed in the first place? Metzinger's response is to say that there is good evidence 'for some kind of innate 'body prototype'' (298), and he refers to research that shows that even children born without limbs develop self--models which sometimes include limbs, or report phantom sensations in limbs that have never existed. To me, this still leaves open the possibility that such children are modelling their body image on strong identification with human others. But be that as it may, one of the things that remains unclear after this relatively rich account of contemporary or scientific phenomenology is the extent to which 'neural consciousness' is or can be supplemented by other kinds of consciousness, or indeed whether neural consciousness can be overridden by the 'self' acting on the basis of these other kinds of consciousness. The key stake in Metzinger's account is 'subjectivity'. The reason why the neural correlate of self--consciousness is so important to him is: 'Only if we find the neural and functional correlates of the phenomenal self will we be able to discover a more general theoretical framework into which all data can fit. Only then will we have a chance to understand what we are actually talking about when we say that phenomenal experience is a subjective phenomenon' (301). What other kinds of consciousness might there be? It is significant that, not only do NCC exponents have little to say about the interaction with other people, they rarely mention language, and they are unanimously and emphatically of the opinion that the thinking or processing that takes place in consciousness is not dependent on language, or indeed any signifying system that we know of (though conceivably, it occurs to me, the neural correlates may signify to, or 'call up', each other). And they show little 'consciousness' that a still influential body of opinion (informed latterly by post--structuralist thinking) has argued for the consciousness shaping effects of 'discourse' -- i.e. for socially and culturally generated patterns of language or other signification to order the processing of reality. We could usefully coin the term 'verbal correlates of consciousness' (VCC) to refer to these patterns of signification (words, proverbs, narratives, discourses). Again, however, the same sorts of questions apply, since few discourse theorists mention anything like neuroscience: To what extent is verbal consciousness supplemented by other forms of consciousness, including neural consciousness? These questions may never be fully answerable. However, it is interesting to work through the idea that NCC and VCC both exist and can be in some kind of relation even if the precise relationship is not measurable. This indeed is close to the case that Charles Shepherdson makes for psychoanalysis in attempting to retrieve it from the misunderstanding under which it suffers today: We are now familiar with debates between those who seek to demonstrate the biological foundations of consciousness and sexuality, and those who argue for the cultural construction of subjectivity, insisting that human life has no automatically natural form, but is always decisively shaped by contingent historical conditions. No theoretical alternative is more widely publicised than this, or more heavily invested today. And yet, this very debate, in which 'nature' and 'culture' are opposed to one another, amounts to a distortion of psychoanalysis, an interpretive framework that not only obscures its basic concepts, but erodes the very field of psychoanalysis as a theoretically distinct formation (2--3). There is not room here for an adequate account of Shepherdson's recuperation of psychoanalytic categories. A glimpse of the stakes involved is provided by Shepherdson's account, following Eugenie Lemoine--Luccione, of anorexia, which neither biomedical knowledge nor social constructionism can adequately explain. The further fact that anorexia is more common among women of the same family than in the general population, and among women rather than men, but in neither case exclusively so, thereby tending to rule out a genetic factor, allows Shepherdson to argue: [A]norexia can be understood in terms of the mother--daughter relation: it is thus a symbolic inheritance, a particular relation to the 'symbolic order', that is transmitted from one generation to another . . . we may add that this relation to the 'symbolic order' [which in psychoanalytic theory is not coextensive with language] is bound up with the symbolisation of sexual difference. One begins to see from this that the term 'sexual difference' is not used biologically, but also that it does not refer to general social representations of 'gender,' since it concerns a more particular formation of the 'subject' (12). An intriguing, and related, possibility, suggested by Foucault, is that NCC and VCC (or in Foucault's terms the 'visible' and the 'articulable'), operate independently of each other – that there is a 'disjunction' (Deleuze 64) or 'dislocation' (Shepherdson 166) between them that prevents any dialectical relation. Clearly, for Foucault, the lack of dialectical relation between the two modes does not mean that both are not at all times equally functional. But one can certainly speculate that, increasingly under postmodernity and media saturation, the verbal (i.e. the domain of signification in general) is influential. And if linguistic formations -- discourses, narratives, etc. -- can proliferate and feed on each other unconstrained by other aspects of reality, we get the sense of language 'running away with itself' and, at least for a time, becoming divorced from a more complete sense of reality. (This of course is basically the argument of Baudrillard.) The reverse may also be possible, in certain periods, although the idea that language could have no mediating effect at all on the production of reality (just inconsequential fluff on the surface of things) seems far--fetched in the wake of so much postmodern and media theory. However, the notion is consistent with the theories of hard--line materialists and genetic determinists. But we should at least consider the possibility that some sort of shaping interaction between NCC and VCC, without implicating the full conceptual apparatus of psychoanalysis, is continuously occurring. This possibility is, for me, best realised by Jacques Derrida when he writes of an irreducible interweaving of consciousness and language (the latter for Derrida being a cover term for any system of signification). This interweaving is such that the significatory superstructure 'reacts upon' the 'substratum of non--expressive acts and contents', and the name for this interweaving is 'text' (Mowitt 98). A further possibility is that provided by Pierre Bourdieu's notion of habitus -- the socially inherited schemes of perception and selection, imparted by language and example, which operate for the most part below the level of consciousness but are available to conscious reflection by any individual lucky enough to learn how to recognise that possibility. If the subjective representations of NCC exist, this habitus can be at best only partial; something denied by Bourdieu whose theory of individual agency is founded in what he has referred to as 'the relation between two states of the social' – i.e. 'between history objectified in things, in the form of institutions, and history incarnate in the body, in the form of that system of durable dispositions I call habitus' (190). At the same time, much of Bourdieu's thinking about the habitus seems as though it could be consistent with the kind of predictable representations that might be produced by NCC. For example, there are the simple oppositions that structure much perception in Bourdieu's account. These range from the obvious phenomenological ones (dark/light; bright/dull; male/female; hard/soft, etc.) through to the more abstract, often analogical or metaphorical ones, such as those produced by teachers when assessing their students (bright/dull again; elegant/clumsy, etc.). It seems possible that NCC could provide the mechanism or realisation for the representation, storage, and reactivation of impressions constituting a social model--self. However, an entirely different possibility remains to be considered – which perhaps Bourdieu is also getting at – involving a radical rejection of both NCC and VCC. Any correlational or representational theory of the relationship between a self and his/her environment -- which, according to Charles Altieri, includes the anti--logocentrism of Derrida -- assumes that the primary focus for any consciousness is the mapping and remapping of this relationship rather than the actions and purposes of the agent in question. Referring to the later philosophy of Wittgenstein, Altieri argues: 'Conciousness is essentially not a way of relating to objects but of relating to actions we learn to perform . . . We do not usually think about objects, but about the specific form of activity which involves us with these objects at this time' (233). Clearly, there is not yet any certainty in the arguments provided by neuroscience that neural activity performs a representational role. Is it not, then, possible that this activity, rather than being a 'correlate' of entities, is an accompaniment to, a registration of, action that the rest of the body is performing? In this view, self is an enactment, an expression (including but not restricted to language), and what self--consciousness is conscious of is this activity of the self, not the self as entity. In a way that again returns us towards Bakhtin, Altieri writes: '>From an analytical perspective, it seems likely that our normal ways of acting in the world provide all the criteria we need for a sense of identity. As Sidney Shoemaker has shown, the most important source of the sense of our identity is the way we use the spatio--temporal location of our body to make physical distinctions between here and there, in front and behind, and so on' (234). Reasonably consistent with the Wittgensteinian view -- in its focus on self--activity -- is that contemporary theorisation of the self that compares in influence with that posed by neuroscience. This is the self avowedly constructed by networked computer technology, as described by Mark Poster: [W]hat has occurred in the advanced industrial societies with increasing rapidity . . . is the dissemination of technologies of symbolisation, or language machines, a process that may be described as the electronic textualisation of daily life, and the concomitant transformations of agency, transformations of the constitution of individuals as fixed identities (autonomous, self--regulating, independent) into subjects that are multiple, diffuse, fragmentary. The old (modern) agent worked with machines on natural materials to form commodities, lived near other workers and kin in urban communities, walked to work or traveled by public transport, and read newspapers but engaged as a communicator mostly in face--to--face relations. The new (postmodern) agent works mostly on symbols using computers, lives in isolation from other workers and kin, travels to work by car, and receives news and entertainment from television. . . . Individuals who have this experience do not stand outside the world of objects, observing, exercising rational faculties and maintaining a stable character. The individuals constituted by the new modes of information are immersed and dispersed in textualised practices where grounds are less important than moves. (44--45) Interestingly, Metzinger's theorisation of the model--self lends itself to the self--mutability -- though not the diffusion -- favoured by postmodernists like Poster. [I]t is . . . well conceivable that a system generates a number of different self--models which are functionally incompatible, and therefore modularised. They nevertheless could be internally coherent, each endowed with its own characteristic phenomenal content and behavioral profile. . . this does not have to be a pathological situation. Operating under different self--models in different situational contexts may be biologically as well as socially adaptive. Don't we all to some extent use multiple personalities to cope efficiently with different parts of our lives? (295--6) Poster's proposition is consistent with that of many in the humanities and social sciences today, influenced variously by postmodernism and social constructionism. What I believe remains at issue about his account is that it exchanges one form of externally constituted self ('fixed identity') for another (that produced by the 'modes of information'), and therefore remains locked in a logic of deterministic constitution. (There is a parallel here with Altieri's point about Derrida's inability to escape representation.) Furthermore, theorists like Poster may be too quickly generalising from the experience of adults in 'textualised environments'. Until such time as human beings are born directly into virtual reality environments, each will, for a formative period of time, experience the world in the way described by Bakhtin – through 'a unified perception of bodily and personal being . . . characterised . . . as a loving gift mutually exchanged between self and other across the borderzone of their two consciousnesses' (cited in Morris 6). I suggest it is very unlikely that this emergent sense of being can ever be completely erased even when people subsequently encounter each other in electronic networked environments. It is clearly not the role of a brief survey like this to attempt any resolution of these matters. Indeed, my review has made all the more apparent how far from being settled the question of consciousness, and by extension the question of selfhood, remains. Even the classical notion of the homunculus (the 'little inner man' or the 'ghost in the machine') has been put back into play with Francis Crick and Christof Koch's (2000) neurobiological conception of the 'unconscious homunculus'. The balance of contemporary evidence and argument suggests that the best thing to do right now is to keep the questions open against any form of reductionism – whether social or biological. One way to do this is to explore the notions of self and consciousness as implicated in ongoing processes of complex co--adaptation between biology and culture -- or their individual level equivalents, brain and mind (Taylor Ch. 7). References Altieri, C. "Wittgenstein on Consciousness and Language: a Challenge to Derridean Literary Theory." Wittgenstein, Theory and the Arts. Ed. Richard Allen and Malcolm Turvey. New York: Routledge, 2001. Bourdieu, P. In Other Words: Essays Towards a Reflexive Sociology. Trans. Matthew Adamson. Stanford: Stanford University Press, 1990. Crick, F. and Koch, C. "The Unconscious Homunculus." Neural Correlates of Consciousness: Empirical and Conceptual Questions. Ed. Thomas Metzinger. Cambridge, Mass.: MIT Press, 2000. Deleuze, G. Foucault. Trans. Sean Hand. Minneapolis: University of Minnesota Press, 1988. Metzinger, T. "The Subjectivity of Subjective Experience: A Representationalist Analysis of the First-Person Perspective." Neural Correlates of Consciousness: Empirical and Conceptual Questions. Ed. Thomas Metzinger. Cambridge, Mass.: MIT Press, 2000. Morris, P. (ed.). The Bakhtin Reader: Selected Writings of Bakhtin, Medvedev, Voloshinov. London: Edward Arnold, 1994. Mowitt, J. Text: The Genealogy of an Interdisciplinary Object. Durham: Duke University Press, 1992. Poster, M. Cultural History and Modernity: Disciplinary Readings and Challenges. New York: Columbia University Press, 1997. Shepherdson, C. Vital Signs: Nature, Culture, Psychoanalysis. New York: Routledge, 2000. Taylor, M. C. The Moment of Complexity: Emerging Network Culture. Chicago: University of Chicago Press, 2001. Citation reference for this article Substitute your date of access for Dn Month Year etc... MLA Style Wallace, Derek. "'Self' and the Problem of Consciousness" M/C: A Journal of Media and Culture 5.5 (2002). [your date of access] < http://www.media-culture.org.au/mc/0210/Wallace.html &gt. Chicago Style Wallace, Derek, "'Self' and the Problem of Consciousness" M/C: A Journal of Media and Culture 5, no. 5 (2002), < http://www.media-culture.org.au/mc/0210/Wallace.html &gt ([your date of access]). APA Style Wallace, Derek. (2002) 'Self' and the Problem of Consciousness. M/C: A Journal of Media and Culture 5(5). < http://www.media-culture.org.au/mc/0210/Wallace.html &gt ([your date of access]).
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