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Journal articles on the topic 'Sustainable energy supplies'
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Castro e Silva, Andreia de, Robson Seleme, Wiliam de Assis Silva, Izabel Cristina Zattar, Elpidio Oscar Benitez Nara, Osiris Canciglieri Júnior, and Lisianne Brittes Benitez. "Evaluation and Choice Criteria of Sustainable Suppliers in the Construction Industry: A Comparative Study in Brazilian Companies." Sustainability 14, no. 23 (November 25, 2022): 15711. http://dx.doi.org/10.3390/su142315711.
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This article seeks to develop criteria for evaluating sustainable suppliers in civil construction and to contribute to improving the understanding of the factors that influence the selection of sustainable suppliers. Organizations should develop strategies that motivate suppliers to participate in green supply-chain initiatives, as supplier selection can directly interfere with sustainability performance at work. However, there is a gap in the research that addresses the selection of sustainable suppliers in the Brazilian context of civil construction related to certifications for sustainable construction. To fill this gap, the present article used literature-review methodologies, content analysis, data triangulation, and field research through a survey. The literature review identifies the certifiable standards for sustainable construction most cited in the literature: LEED, AQUA, BREEAM, and CASBEE. The standards analysis allows us to identify seven similar supply criteria for sustainable construction certifications. The parameters of each certification were analyzed to define those related to the selection of suppliers, identifying those that qualify a supplier as environmentally sustainable. We found that 60.7% of respondents work in companies without certifications, 75% know sustainable procurement, 50% of companies had established a sustainable procurement policy, and 83% of companies had a strategy for selecting suppliers. The results of this research contribute to construction companies being able to rank the importance of these criteria when choosing a supplier, in addition to having access to the mapping of essential criteria, allowing a search for greater interaction between the links of the green supply chain and rendering buildings and supplies more sustainable.
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GHOSE, MRINAL. "Environmentally Sustainable Supplies of Energy with Specific Reference to Geothermal Energy." Energy Sources 26, no. 6 (May 2004): 531–39. http://dx.doi.org/10.1080/00908310490427977.
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Stöglehner, Gernot. "Ecological footprint — a tool for assessing sustainable energy supplies." Journal of Cleaner Production 11, no. 3 (May 2003): 267–77. http://dx.doi.org/10.1016/s0959-6526(02)00046-x.
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Pryiatelchuk, O. A., and Sara Amirabbas. "RENEWABLE ENERGY FOR SUSTAINABLE DEVELOPMENT IN MIDDLE EAST." Actual Problems of International Relations, no. 148 (2021): 70–80. http://dx.doi.org/10.17721/apmv.2021.148.1.70-80.
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Improving energy efficiency is one of the main ways to reduce energy pollution that leads to economic development, increasing energy access and better life. That can result in reducing fossil fuel use and growing clean energy supplies. The Gulf countries have as many renewable resources as hydrocarbons like sunshine, considerable wind resources, and geothermal. The economy of the Middle east deeplydepends on fossil fuel export. Declining fossil fuel supplies and rising energy prices are driving global energy supplies to renewables energies. Although the Middle East region, due to its special geographical features, has significant potential for the growth of renewable energy sources, they have not been developed yet. It overviews the energy situation and sustainability, economic potential of renewable energy, policies for energy systems over the recent decades in six resource-rich countries in the middle east. In addition, along with renewable energy technologies, possible ways to solve current environmental problems are recognized. The methodology of this work is PESTLE analysis of these countries' energy status to develop a long-term mechanism for sustainable and secure energy for the Middle East based on Political, Economic, Social, Technological, Legal, Environmental. Also, it identifies challenges that restrict the development of renewable energy technologies in the Middle East. By analyzing the status of energy in recent decades, the importance of implementation of effective energy policies to develop sustainable energy can be realized. Key words: energy source, sustainable future, renewable, effective policy, resource-rich countries.
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Karlen, Douglas L., and Jane M. F. Johnson. "Crop Residue Considerations for Sustainable Bioenergy Feedstock Supplies." BioEnergy Research 7, no. 2 (February 7, 2014): 465–67. http://dx.doi.org/10.1007/s12155-014-9407-y.
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Kung, Chih-Chun, and Bruce McCarl. "Sustainable Energy Development under Climate Change." Sustainability 10, no. 9 (September 13, 2018): 3269. http://dx.doi.org/10.3390/su10093269.
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The world faces unprecedented threats from climate change and increasing variability, which severely impacts human society and the natural environment. To reduce future climate change and ensure our economies can grow in a sustainable way, sustainable energy development is considered to be an effective approach. In this context, sustainable energy development involves augmenting our energy supplies and managing demands in a fashion that societal energy needs are met with a minimal effect on greenhouse gas emissions and a nominal resultant contribution to future climate change. In this Special Issue, research papers focus on the role of sustainable energy development (while addressing important dimensions of sustainability), which mandates an inter-disciplinary perspective in all articles. We collected 11 such papers that have analyzed a broad array of topics related to bioenergy, wind power, industrial innovation, and climate change mitigation. These papers show the varied application of renewable energy and climate change energy responses, while providing meaningful decision-making information and policy implications.
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Chu, Wenxiao, Francesco Calise, Neven Duić, Poul Alberg Østergaard, Maria Vicidomini, and Qiuwang Wang. "Recent Advances in Technology, Strategy and Application of Sustainable Energy Systems." Energies 13, no. 19 (October 8, 2020): 5229. http://dx.doi.org/10.3390/en13195229.
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The global COVID-19 pandemic has had strong impacts on national and international freight, construction and tourism industry, supply chains, and has resulted in a rapid decline in the demand for traditional energy sources. In fact, research has outlined that urban areas depend on global supply chains for their day-to-day basic functions, including energy supplies, food and safe access to potable water. The disruption of global supply chains can leave many urban areas in a very vulnerable position, in which their citizens may struggle to obtain their basic supplies, as the COVID-19 crisis has recently shown. Therefore, solutions aiming to enhance local food, water and energy production systems, even in urban environments, have to be pursued. The COVID-19 crisis has also highlighted in the scientific community the problem of people’s exposure to outdoor and indoor pollution, confirmed as a key element for the increase both in the transmission and severity of the contagion, on top of involving health risks on their own. In this context, most nations are going to adopt new preferential policies to stimulate the development of relevant sustainable energy industries, based on the electrification of the systems supplied by renewable energy sources as confirmed by the International Energy Agency (IEA). Thus, while there is ongoing research focusing on a COVID 19 vaccine, there is also a need for researchers to work cooperatively on novel strategies for world economic recovery incorporating renewable energy policy, technology and management. In this framework, the Sustainable Development of Energy, Water and Environment Systems (SDEWES) conference provides a good platform for researchers and other experts to exchange their academic thoughts, promoting the development and improvements on the renewable energy technologies as well as their role in systems and in the transition towards sustainable energy systems. The 14th SDEWES Conference was held in Dubrovnik, Croatia. It brought together around 570 researchers from 55 countries in the field of sustainable development. The present Special Issue of Energies, specifically dedicated to the 14th SDEWES Conference, focuses on four main fields: energy policy for sustainable development, biomass energy application, building energy saving, and power plant and electric systems.
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Zhang, Weilong, and Lin Lu. "Energy performance and heat transfer characteristics of photovoltaic double skin facades (PV-DSFs): a review." Sustainable Energy & Fuels 1, no. 7 (2017): 1502–15. http://dx.doi.org/10.1039/c7se00175d.
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Ahmadi, Esmaeil, Benjamin McLellan, Seiichi Ogata, Behnam Mohammadi-Ivatloo, and Tetsuo Tezuka. "An Integrated Planning Framework for Sustainable Water and Energy Supply." Sustainability 12, no. 10 (May 24, 2020): 4295. http://dx.doi.org/10.3390/su12104295.
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This study aims to reveal the economic, technical, and environmental impacts of different system configurations (centralized or decentralized, components, and technologies) on transition plans to achieve a higher share of renewable energy and desalination supplies for regions facing water scarcity. The main contribution of this research is the comparative evaluation of on-grid decentralized or distributed renewable-powered desalination systems for sustainable water and energy supply planning. Applying a novel nexus approach, an interactive multi-period planning model is developed to highlight synergies and to identify conflicts of planning both energy and water sectors at the same time as endogenous subsystems of one overall system. For studying these synergies in this study, the pace of technology deployment and the path of decline in overall costs are assumed to be a function of experience and knowledge as two-factor learning curves. Using data from 81 projects, the levelized cost and capacity factor of utility-scale photovoltaic and wind supplies in the Middle East were calculated. The results indicate that a scenario with a decentralized water sector and renewable-powered multiple-effect distillation technology has the best overall performance among the proposed scenarios.
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Shahzad, Muhammad Wakil, Muhammad Burhan, and Kim Choon Ng. "Energy Storage & Desalination." International Journal of Computational Physics Series 1, no. 2 (March 5, 2018): 52–60. http://dx.doi.org/10.29167/a1i2p52-60.
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In Gulf Cooperation Council (GCC) countries, about 40% of primary energy is consumed for cogeneration based power and desalination plants. In the past, many studies were focused on renewable energies based desalination processes to accommodate 5 fold increase in demand by 2050 but they were not commercialized due to intermittent nature of renewable energy such as solar and wind. We proposed highly efficient energy storage material, Magnesium oxide (MgO), system integrated with innovative hybrid desalination cycle (MEDAD) for future sustainable desalination water supplies. The condensation of Mg(OH)2 dehydration vapor during day operation with concentrated solar energy and exothermic hydration of MgO at night can produce 24 hour thermal energy for desalination cycle without any interruption. It was showed that, Mg(OH)2 dehydration vapor condensation produce 120C and MgO hydration exothermic reaction produce 140C heat during day and night operation respectively correspond to energy storage of 81kJ/mol and 41kJ/mol. In addition, the hybrid MEDAD cycle can boost water production to more than 2 fold as compared to conventional desalination processes at same operating temperature due to excellent thermodynamic synergy. We believe that the proposed energy storage driven desalination cycle is the most sustainable solution for future water supplies.
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Gómez-Luciano, Cristino Alberto, Félix Rafael Rondón Domínguez, Fernando González-Andrés, and Beatriz Urbano López De Meneses. "Sustainable supply chain management: Contributions of supplies markets." Journal of Cleaner Production 184 (May 2018): 311–20. http://dx.doi.org/10.1016/j.jclepro.2018.02.233.
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Rakesh, K. S., and M. P. Devaki. "Energy Efficient Techniques for Construction: Planning of a Sustainable Community." Key Engineering Materials 632 (November 2014): 95–105. http://dx.doi.org/10.4028/www.scientific.net/kem.632.95.
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Energy conservation is one of the critical issues facing society today. Our civilization depends on energy for its sustenance. However, energy resources are finite and the ever increasing demands being made for diminishing supplies increases the cost of energy putting it beyond the reach of a large part of society. Renewable energy concepts for new communities offer exciting possibilities for new forms of living. Since India is blessed with abundant sunshine, we can plan and organize our settlements for utilizing renewable energy resources and implementing innovative concepts for shelter, transportation, etc.
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Beretta, D., A. Perego, G. Lanzani, and M. Caironi. "Organic flexible thermoelectric generators: from modeling, a roadmap towards applications." Sustainable Energy & Fuels 1, no. 1 (2017): 174–90. http://dx.doi.org/10.1039/c6se00028b.
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Organic thermoelectrics are emerging as strong candidates for micro energy harvesting devices to power low energy electronics and serve as sustainable distributed energy supplies. Here their actual potential is assessed with respect to different applications scenarios, such as wearables and sensors networks, providing useful guidelines for their future development.
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Parry, Martin. "Food and energy security: exploring the challenges of attaining secure and sustainable supplies of food and energy." Food and Energy Security 1, no. 1 (April 12, 2012): 1–2. http://dx.doi.org/10.1002/fes3.1.
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Rodríguez Monroy, Carlos, and Antonio San Segundo Hernández. "Developing Sustainable Electricity Supplies in Rural Areas of Developing Countries." Electricity Journal 18, no. 5 (June 2005): 68–73. http://dx.doi.org/10.1016/j.tej.2005.04.011.
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Baumann, Florian. "Europe’s Way to Energy Security: The Outer Dimension of Energy Security: From Power Politics to Energy Governance." European Foreign Affairs Review 15, Issue 1 (February 1, 2010): 77–95. http://dx.doi.org/10.54648/eerr2010005.
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Abstract. European integration with its common markets for coal and nuclear fuels and, nowadays, ambitions of a comprehensive energy policy makes Europe one of the most interesting regions with regard to energy security. However, not only the European Union (EU) but also the International Atomic Energy Agency (IAEA) and the North Atlantic Treaty Organization (NATO) are or will be relevant actors in the global struggle for affordable, sustainable, and sufficient supplies of energy. All three have developed more or less distinctive instruments to secure their members access to energy. Nevertheless, there are three problems that prohibit the Europeans from being important players in global energy politics. First, the EU Member States do not have sufficient indigenous reserves of energy and thus are dependent on foreign suppliers. Second, Europe and its partners lack, as of yet, a comprehensive strategy for dealing with the external aspects of energy politics, including supply security as well as the political and economic challenges of import dependency and energy cut-offs. Third, only if inner-EU coherence can be established – and later on, regional and global energy governance – will the problem of energy security be resolvable. Finally, a coherent, internal EU position will be necessary to establish regional and global energy governance – the key to stabilizing future energy relations.
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Manheimer, Wallace. "Civilization Needs Sustainable Energy – Fusion Breeding May Be Best." Journal of Sustainable Development 15, no. 2 (February 9, 2022): 98. http://dx.doi.org/10.5539/jsd.v15n2p98.
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Civilization requires power. For a while it can get by with the power supplies we currently use, fossil fuel, nuclear fuel; and hydroelectric, solar and wind. Only the last 3 are sustainable. The first two will run out as some point, very likely well before the end of this century, especially if the less developed parts of the world come up to OECD standards. This paper makes the case that solar and wind are not up to the job, and neither is pure fusion, at least in this century. However, using fusion to breed fissile material for current nuclear reactors could play an important role well before century’s end. The requirements on a fusion device used as a breeder are considerably relaxed from the requirements for pure fusion. It is likely that an ITER type device, could be used for fusion breeding on a large scale. Fusion breeding can support nuclear fuel for civilization, at 30- 40 terawatts (TW), at least as far into the future as the dawn of civilization was in the past.
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Sajid, Muhammad Jawad, Zhang Yu, and Syed Abdul Rehman. "The Coal, Petroleum, and Gas Embedded in the Sectoral Demand-and-Supply Chain: Evidence from China." Sustainability 14, no. 3 (February 7, 2022): 1888. http://dx.doi.org/10.3390/su14031888.
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The United Nations’ Sustainable Development Goal (SDG) number seven expressly calls for universal access to affordable and sustainable energy. Energy sustainability will require a reduction in energy consumption, including embedded energy consumption in sectoral demand and supply chains. However, few studies have estimated the amount of coal, petroleum, and gas (fossil fuel) embedded in demand-and-supply chains (FFEDS). Furthermore, the inter-and intra-sectoral energy linkages are understudied. This study quantifies China’s FFEDS, the world’s largest energy consumer. According to the findings, the highest levels of coal, natural gas, and petroleum consumption (CNGPC) are embedded in the construction sector’s input demand. “Electricity and steam production and supply” total intermediate exports (internal plus inter-sectoral) stimulated the highest coal consumption. “Crude petroleum products and natural gas products” and “railway freight transport” aggregate supplies induced the highest volume of natural gas and petroleum consumption. Compared to intra-sectoral demand, inter-sectoral demand stimulated significantly larger CNGPCs. In contrast, CNGPC’s inter- and inter-sectoral supplies were nearly identical. Modifying current carbon taxation and credit mechanisms to include energy embedded in demand and supply can help to achieve SDG 7.
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Li, Huilin, Jiaqi Yang, and Ziquan Xiang. "A Fuzzy Linguistic Multi-Criteria Decision-Making Approach to Assess Emergency Suppliers." Sustainability 14, no. 20 (October 13, 2022): 13114. http://dx.doi.org/10.3390/su142013114.
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Under the influence of COVID-19, various emergency supplies have repeatedly broken links, seriously affecting normal life and hindering the sustainable development of enterprises and society. Therefore, suitable emergency suppliers are crucial. To prioritize and select suitable emergency suppliers, key indicators were determined, and evaluation models were established based on the characteristics of epidemic situations and epidemic prevention materials. The application of the MCDM (multi-criteria decision-making) issue combining fuzzy SWARA (the stepwise weight assessment ratio analysis) and the actor analysis method to emergency supplier selection studies, called the fuzzy SWARA-based actor analysis method, is used to identify appropriate suppliers for optimizing pre-preparation. Results of evaluation system weight computations by the Fuzzy SWARA-based actor analysis method show that the overall prioritization of four non-economic factors in ranking orders are “Delivery Capacity”, “Flexible Supply Capacity”, “Quality”, and “Social Evaluation and Reputation”. For the inclusion of conflicting standards and the unquantifiable feature, economic and non-economic factors were discussed separately and evaluated by language variables. Additionally, the fuzzy actor analysis indicated that economic factors and non-economic factors need to be considered comprehensively for emergency supplier selection. This method has good operability and reference value, convenient for the final choice making according to actual situation.
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Adelerhof, Jordan, Mani Bhushan Thoopal, Daniel Lee, and Cameron Hardy. "Clean and Sustainable Fusion Energy for the Future." PAM Review Energy Science & Technology 1 (August 3, 2015): 20–42. http://dx.doi.org/10.5130/pamr.v1i0.1384.
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Nuclear Fusion energy is one promising source of energy currently in the developmental stages with the potential to solve the world’s energy crisis by providing a clean and almost limitless supply of energy for the entire planet. This meta-study analyses the heating systems, cooling systems, energy output, heating power input, plasma volume, economic impact, plasma temperature, plasma density, plasma confinement time and Lawson’s Triple Product with respect to a variety of different nuclear fusion systems including the Wendelstein 7-X, the Helically Symmetric Stellarator Experiment, the ITER project, Joint European Torus, TFTR, IGNITOR and general information on tokamaks, stellarators as well as magnetic confinement of plasmas. Nuclear fusion is then more generally compared with four non-fusion energy sources, solar energy, wind energy, coal and hydroelectricity in terms of their overall economic impact, energy efficiency and environmental impact. Current global energy sources such as coal, oil and natural gas are briefly discussed with focus on their remaining global supply as well as their impact on the environment; this is contrasted with the remaining fuel supplies for nuclear fusion and fusion’s environmental impact. The result of this meta-study was that we found that fusion power is a long term solution to the energy crisis and so more of a focus needs to be placed globally on working to expand the use of hydroelectric power.
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Graham, Robin L. "Forecasting the magnitude of sustainable biofeedstock supplies: the challenges and the rewards." Biofuels, Bioproducts and Biorefining 1, no. 4 (2007): 255–63. http://dx.doi.org/10.1002/bbb.33.
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Morina, Fatri. "Analyzing Energy Security and Sustainable Development in Southeast Europe from a Multidimensional Approach." European Journal of Interdisciplinary Studies 1, no. 2 (August 30, 2015): 83. http://dx.doi.org/10.26417/ejis.v1i2.p83-86.
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Energy plays a vital role in the sustainable development of a nation and regions as well, thus affordable and reliable energy supplies are crucial for this development. South East Europe countries are characterized from high energy dependence and face several difficulties in guaranteeing a sustainable development. Only an integrated approach, which combines all the dimensions of energy security, can be a successful way for nations to guarantee their energy security and sustainable development. The scope of this paper is to analyze energy sector and sustainable development in Southeast Europe, with a focus on economic, social, environmental and geopolitical dimension of energy security. The methodology used for this paper combines energy security approach and Regional Security Complex Theory, with a focus in Regional Energy Security Complexes. Energy sector in this region is characterized by a problematic energy infrastructure, low system reliability and low efficiency, energy dependence and lack of diversification of energy sources, all elements with a direct impact on energy security. The data used for this paper are based upon the data of World Bank, International Energy Agency, International Monetary Fund and United Nations.
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Morina, Fatri. "Analyzing Energy Security and Sustainable Development in Southeast Europe from a Multidimensional Approach." European Journal of Interdisciplinary Studies 2, no. 1 (August 30, 2015): 83. http://dx.doi.org/10.26417/ejis.v2i1.p83-86.
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Energy plays a vital role in the sustainable development of a nation and regions as well, thus affordable and reliable energy supplies are crucial for this development. South East Europe countries are characterized from high energy dependence and face several difficulties in guaranteeing a sustainable development. Only an integrated approach, which combines all the dimensions of energy security, can be a successful way for nations to guarantee their energy security and sustainable development. The scope of this paper is to analyze energy sector and sustainable development in Southeast Europe, with a focus on economic, social, environmental and geopolitical dimension of energy security. The methodology used for this paper combines energy security approach and Regional Security Complex Theory, with a focus in Regional Energy Security Complexes. Energy sector in this region is characterized by a problematic energy infrastructure, low system reliability and low efficiency, energy dependence and lack of diversification of energy sources, all elements with a direct impact on energy security. The data used for this paper are based upon the data of World Bank, International Energy Agency, International Monetary Fund and United Nations.
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Sirbu, Olesea, Rodica Crudu, and Augustin Ignatov. "The Role of EU Innovation Policies in the Sustainable Development of the Energy Sector." Studia Universitatis Babes-Bolyai Oeconomica 62, no. 2 (August 1, 2017): 3–19. http://dx.doi.org/10.1515/subboec-2017-0006.
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Abstract In the present conditions when the demographic pressure upon the environment is higher than ever, the humanity faces the challenge of sustainability. Namely the sustainability of human activities is important and nothing can assure it better than sustainable energy supplies. The European Union is the leading global power in terms of adjusting its policies to increase innovation to assure a sustainable growth of its energy sector as a key to an advanced economic system. The present research focuses on the impact of European Union policies on the sustainable development of its energy sector by analyzing quantitatively and qualitatively various indicators intended to offer a throughout insight. The results obtained focus on the identification of the main innovation paradigms; the description of the main modern environmental challenges, especially in the energy domain; the determination of the relation between innovation and energy sustainability, and its analysis at the level of European Union.
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Tkaczyk, Magdalena. "Energy security and implementation of renewable energy in the European Union." Przegląd Europejski, no. 4-2020 (December 14, 2020): 139–45. http://dx.doi.org/10.31338/1641-2478pe.4.20.11.
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In the light of the deepening climate crisis and global challenges, the issue of energy security is discussed more broadly. The growing fears of the European Union characterised as a region that is highly dependent on energy import from non-EU countries, lead to the modernisation of the European energy sector. The EU is actively promoting the implementation of renewable energy and investments in a sustainable economyto ensure energy security. In this essay, the author analyses a research on the impact of renewable energy efficiency on the gradual reduction of dependence on energy supplies, that was carried out by Turkish scientists, F. Gökgöz and M.T. Güvercin, in 2018. In order to obtain a comprehensive perspective on this issue, the author confronts this publication with other scientific articles in the field of EU energy security.
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Hartfiel, Lindsey, Michelle Soupir, and Rameshwar S. Kanwar. "Malta’s Water Scarcity Challenges: Past, Present, and Future Mitigation Strategies for Sustainable Water Supplies." Sustainability 12, no. 23 (November 24, 2020): 9835. http://dx.doi.org/10.3390/su12239835.
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The small Mediterranean country of Malta, an island located between Italy and North Africa, has been facing and will continue to face water stress and scarcity in the coming years, receiving the designation as the most water stressed country in Europe. In the past, Malta’s water challenges were centered around water quantity concerns, but in more recent years, the severity of their water stress has been strengthened by the deterioration of the groundwater quality and quantity. Through the over-extraction of their groundwater, saltwater intrusion has steadily occurred into their freshwater aquifer systems, worsening their groundwater quality for both domestic and agricultural purposes. The objective of this paper is to conduct an extensive review on the history of Malta’s water problems and how Malta is working to combat its water scarcity concerns. Additionally, this paper investigates the impact of Malta’s water scarcity on its food and energy security challenges. Our study concludes that while Malta has obstacles to overcome in their pursuit of water security and sustainable development, the future remains hopeful, with several alternatives still available. Some of the alternatives explored in this review include wastewater reuse, increased awareness, use of alternative energy sources, rainwater harvesting, and implementation of nation-wide strategic water policies.
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Liu, Weihua, and Yufan Hao. "Australia in China's Grand Strategy." Asian Survey 54, no. 2 (March 2014): 367–94. http://dx.doi.org/10.1525/as.2014.54.2.367.
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This paper examines China’s strategic interests in Australia. From the security perspective, Beijing hopes that Australia will be a constructive factor for its peaceful rise. On the economic side, Beijing hopes that the bilateral relationship will ensure sufficient and sustainable resources and energy supplies from Australia for China's domestic needs.
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Billah Tufail, Muhammad Mutasim, Jafini Azhan Bin Ibrahim, and Mustakim Bin Melan. "Novel Approach of Quantifying Energy Security in Terms of Economic, Environmental and Supply Risk Factors." Journal of Computational and Theoretical Nanoscience 16, no. 12 (December 1, 2019): 4979–84. http://dx.doi.org/10.1166/jctn.2019.8551.
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The rising global demand of energy and political instability has raised the issue of energy security more than ever before. Depleting reservoirs and environmental degradation encourage policy makers to review intended action plans for sustainable energy generation. Fluctuating oil prices and unforeseen political events has emerges a need of secure supplies policies. This study will incorporate three key integrated energy dimensions in terms of cost to evaluate the total exposure. Affordability, acceptability and availability of adequate supply are the factors to evaluate for sustainable economic growth, potential environmental harm and social stability. Energy experts and policy makers around the globe are looking for the effective tool to measure the impact of supply disruption on energy generation process. High level of security incurred extra cost; However opportunity loss due to supply disruption has never been evaluated in terms of monitory unit. This study will focus on the evaluation of potential loss cause due to unavailability of supplies for power generation system. Holistic approach will be applied to measure the combine impact of fuels specifically used in power generation process. Besides the traditional approach of unit power generation cost this paper encompasses other cost parameters which indirectly affects the cost of generation in the form of carbon tax penalty and the excessive cost of secure and reliable power generation resources.
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Aminjonov, F. S. "Central Asian Regional Economic Cooperation Program as Driver of Regional Energy Projects to Promote Energy Security in the Post-Soviet Central Asia." Post-Soviet Issues 6, no. 1 (April 11, 2019): 53–64. http://dx.doi.org/10.24975/2313-8920-2019-6-1-53-64.
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The resource-sharing mechanism, which ensured sufficiency and reliability of energy supplies within the Central Asian energy system (CAES) collapsed soon after the disintegration of the Soviet Union. Isolationist energy policies, both in terms of full self-reliance and self-control, without the establishment of self-sustaining independent energy systems, not only threatened security of energy supplies, but also, to a different extent, hampered the socio-economic development in Central Asia. In an attempt to mitigate the negative impact of the new energy policies, the Asian Development Bank (ADB) supported Central Asia Regional Economic Cooperation (CAREC) was introduced as one of the key programs to ensure sustainable access of the population and economies to energy. One of the top priority areas has been strengthening regional cooperative dynamics in the energy sector. Primarily focusing on regional cooperation CAREC attempts to solve the problem of uneven distribution and seasonal variation of energy production in the region, assuming that this would lead to better standards of life and economic growth. This article aims to analyze the extent of contribution of CAREC energy initiatives to improve energy security and promote energy–led economic growth in Central Asia through regional energy projects.
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Moneta, Diana. "Smart grids: enabler for the energy transition." EPJ Web of Conferences 189 (2018): 00012. http://dx.doi.org/10.1051/epjconf/201818900012.
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This paper deals with the concept of “smart grids”. Starting from drivers behind the evolution of the power system, an overview of elements and technologies is given: smart grids have to intelligently integrate the actions of all users connected to it — generators, consumers and those that do both — in order to efficiently deliver sustainable, economic and secure electricity supplies. Examples of solutions from demonstration projects represent the base for discussing methodologies to estimate benefits deriving from smart grid solutions, showing how conflicting goals cannot always be fulfilled simultaneously. Finally, future perspectives are discussed: the main thinking regards the awaited pivot role for customers, in the future scenario with an increased utilization of electricity combined with a high penetration of non-programmable resources.
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Kurniawati, A. S., A. I. Pratiwi, N. R. Ariyani, M. Septiani, and N. A. Sasongko. "Utilization of palm oil based biofuel to support sustainable energy transition in Indonesia." IOP Conference Series: Earth and Environmental Science 1108, no. 1 (November 1, 2022): 012038. http://dx.doi.org/10.1088/1755-1315/1108/1/012038.
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Abstract Palm oil is a component that can be a mainstay to support the need for sustainable energy transition. In order to implement and achieve sustainable development, palm oil-based biofuel is being developed. In addition, the government has begun to develop a mandatory biodiesel program, so that an adequate supply of biofuel from palm oil is required. This research refers to the utilization of crude palm oil to produce biofuel supplies as a way of implementing and achieving sustainable development. This paper is based on bibliographical research and document studies. Palm oil can bring considerable opportunities for the benefit of the people and achieve government goals. However, this must be accompanied by good management, especially palm oil as a commodity that has a fairly complex upstream-downstream flow, followed by quite heavy problems and obstacles. The mandatory implementation of biodiesel is still constrained by various technical problems, namely infrastructure, quality, logistics, demand, and incentives. Implementation of biodiesel mandatory program policy also has an impact on the economic and environmental side. Biodiesel production can grow consistently with strategic policies across stakeholders.
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Bhalerao, Nikhilesh, and Sangeeta Metkar. "The Renewable Energy: Environmentally Friendly Algae Biofuel." International Journal of Environment, Engineering and Education 2, no. 3 (December 7, 2020): 13–21. http://dx.doi.org/10.55151/ijeedu.v2i3.34.
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Due to the limited availability of fossil fuels and the continuous increase in world energy demand, it will lead to an energy crisis in the future. The use of these energetic resources is responsible for the accumulation of greenhouse gases in the atmosphere that is associated with several adverse effects on the environment. Therefore, it is worth to search for different energy supplies that are renewable and environmentally friendly energy fuel. The alternative fuel is biodiesel, and its primary sources are oil seeds, used cooking oil, algae. Among which microalgae are photosynthetic microorganisms that can achieve high oil contents. This oil is suitable for producing biodiesel; thus, microalgae are considered a promising sustainable energetic resource that can reduce the dependence of fossil fuel. Biodiesel production from microalgae includes several steps, such as cell cultivation and harvesting, oil extraction, and biodiesel synthesis. Biodiesel is usually used by blending with Petro diesel, but it can also use in pure form. Biodiesel is a sustainable fuel, as it can be produced throughout the year and can run an engine with certain modifications. It can satisfy the needs and can also meet the demands of the future generation to come.
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Yuan, Youwei, Lanying Du, Xiumei Li, and Fan Chen. "An Evolutionary Game Model of the Supply Decisions between GNPOs and Hospitals during a Public Health Emergency." Sustainability 14, no. 3 (January 20, 2022): 1156. http://dx.doi.org/10.3390/su14031156.
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The distribution of medical supplies tied to the government-owned nonprofit organizations (GNPOs) is crucial to the sustainable and high-quality development of emergency response to public health emergencies. This paper constructs a two-sided GNPO–hospital game model in a Chinese context, and explores the strategies and influencing factors of medical supply distribution in public health emergencies based on evolutionary game theory. The results show that: (1) GNPOs, as the distributor of medical supplies, should choose strategies that balance efficiency and equity as much as possible. (2) Hospitals, as the recipient of medical supplies, should actively choose strategies that maximize the total benefit to society and strengthen trust in GNPOs. Meanwhile, hospital managers need to pay attention to reducing the impact of communication and coordination costs and strive for the reduction of conflicts between different values. (3) The government should strengthen supervision to avoid conflicts between medical distributors and receivers during a public health emergency and ensure the rescue efficiency. This study provides some reference for the sustainable development of emergency relief in public health emergencies.
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Yan, Xinxin, Hanping Hou, Jianliang Yang, and Jiaqi Fang. "Site Selection and Layout of Material Reserve Based on Emergency Demand Graduation under Large-Scale Earthquake." Sustainability 13, no. 3 (January 25, 2021): 1236. http://dx.doi.org/10.3390/su13031236.
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Reasonable siting layout of reserve emergency supplies plays a critical role in rapid response and accurate rescue after disaster. People’s life safety and health, as well as the psychological satisfaction brought by the government’s excellent emergency rescue level, is an important guarantee for maintaining social stability and sustainable development. Based on the coverage model, considering demand graduation, this paper develops a bi-objective optimization model to determine the optimal location plan of graduated supplies by maximizing the rescue satisfaction and minimizing the number of warehouses. A heuristic multi-center clustering location algorithm is designed to solve the model. This model is applied to the prepositioning of emergency supplies in an earthquake affected area in Sichuan province, China to verify the effectiveness of the model and algorithm. Finally, the paper discusses the influence of demand graduation on the location of emergency supplies. The results show that reasonable location planning of different levels of supplies can effectively improve the rescue satisfaction.
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Patnaik, Amitabh, Pallavi Kudal, Sunny Dawar, and Prince Dawar. "Sustainable Rural Development through Renewable Energy Technologies: Identification of Potential Methods to Increase Rural Incomes." IOP Conference Series: Earth and Environmental Science 1084, no. 1 (October 1, 2022): 012020. http://dx.doi.org/10.1088/1755-1315/1084/1/012020.
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Abstract Renewable energy is being promoted in the Organization for Economic Co-operation and Development (OECD)1 as a potential new source of jobs and rural development. Governments in most nations have poured vast sums of public funds into renewable energy development. But how do these policies and investments affect the economy? Is it true that renewable energy may aid in the development of rural economies? This study examines the answers to these questions. We aim at determining the impact that economically cleaner energy options can play in reducing post-harvest losses in India’s rural communities. The food supply chain, energy supplies, and the environment are all being strained by the ever-expanding population. Post-harvest losses, on the other hand, pose a threat to the crop and its products. We have identified how post harvesting losses can be reduced by clean energy options and hence can lead to sustainable and self-sufficient village economies in India.
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Dung, Tran Viet. "Legal and Policy Framework for Renewable Energy and Energy Efficiency Development in Vietnam." Vietnamese Journal of Legal Sciences 1, no. 1 (June 1, 2020): 33–47. http://dx.doi.org/10.2478/vjls-2020-0002.
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AbstractVietnam has experienced an economic growth accompanied by increasing energy demand and inadequate supplies. Like most developing countries, the increased inefficient use of energy in Vietnam leads to increased greenhouse gas emissions and high energy costs for consumers. Also, the traditional sources of energy are not sufficient to satisfy the demand of the economic sectors.With the negative impact of climate change on water resources and the depletion of coal, oil and gas reserves, Vietnam must diversify and integrate other forms of renewable energies into its energy mix. The efficient use of renewable energy resources can boost economic development. Thus, the policies for endorsing renewable energies and energy efficiency are playing a vital role in ensuring the sustainable development for Vietnam’s future. This paper examines the legal and policy framework influencing the deployment of renewable energies and energy efficiency in Vietnam. The paper also attempts to identify major barriers to a large scale deployment of renewable energies and energy efficiency technologies and offers some possible solutions.
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Smith, R. A. "Railways: How they may contribute to a sustainable future." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 217, no. 4 (July 1, 2003): 243–48. http://dx.doi.org/10.1243/095440903322712847.
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A combination of a rapidly increasing world population and an increasing energy-intensive lifestyle has led to doubts about the sufficiency of natural resources. The waste products of these economic activities have become large enough to change the climate of the globe. The demand for transport is characterized by an exponential increase and a tendency to choose faster modes. These facts give rise to concerns about the sustainability of present transport practices. While railways presently offer significant environmental advantages over other modes of transport, particularly the car, in many areas the gap is closing quickly. Cars are much safer, more energy efficient and less polluting than a decade ago. Trains in the future will have to contend with reducing hydrocarbon fuel supplies and much stricter legislation limiting emissions, particularly diesel particulates. Because the energy environmental performance of trains depends on the passenger load factor, the areas in which railways excel are high-speed intercity and commuting. Both these activities are well served by electric traction. With very few exceptions railway companies have not yet responded to significant environmental challenges. The oft-stated complacent view, that railways are environmentally superior to other modes of transport, fails to recognize that the competition is rapidly eroding their lead.
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Zilberman, David. "The political economy of innovation and technological change." Environment and Development Economics 19, no. 3 (June 2014): 314–16. http://dx.doi.org/10.1017/s1355770x14000278.
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Population growth and growing incomes in developing and developed countries are leading to increased demand for energy and food, placing significant stress on the environment. At the same time, the increased scarcity of natural resources, and especially concerns about climate change and other environmental side effects, are constraining the traditional supplies of food and fuel. Failure to provide both energy and food in an affordable as well as in an environmentally sustainable manner, as well as climate change, will negatively affect our society, especially the global poor. Finding solutions to food energy problems is both a policy and technological challenge.
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Osypchuk, Oleksandra, and Stanisław Iwan. "Analysis of Selected Solutions for Sustainable Urban Deliveries in the Construction Industry." Sustainability 15, no. 4 (February 15, 2023): 3567. http://dx.doi.org/10.3390/su15043567.
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Modern cities are places where the ever-increasing human needs are met. This is possible through the creation of friendly living conditions and enabling economic exchange, as a result of which enterprises provide their clients with goods and services. Urban freight transport is an element that supports these processes. However, in addition to the benefits it delivers, its organization and impacts pose challenges in environmental, economic, and social terms. Implementation of construction projects is a determinant of the development of modern cities. However, this entails transport for supply purposes, which significantly affects the volume of freight transport in cities. Such a large share translates into a growing interest in the topic of using more sustainable ways of organizing and providing construction-related transport. The paper presents the first stage of research aimed at building a model for the implementation of good practices in the field of construction supplies. The aim of the paper was to analyze the transport of construction supplies in terms of compliance with the principles of sustainable development on the example of construction projects currently implemented in Szczecin. Furthermore, this paper is centered around collecting good practices in the field of construction transport. The goal was achieved using the analysis of the statistical data, non-structured observation, and surveys regarding construction projects being carried out in Szczecin, and also paper-and-pencil interviews with experts. It was possible to identify irregularities and gaps in knowledge in the field of sustainable urban freight transport for the implementation of construction supplies. The diagnosed current condition may be a significant source of problems in the future and clearly indicates the need for further research and action by both city authorities and enterprises in the direction of implementing measures for sustainable urban freight transport. As part of the paper, the possibility of using Petri nets in decision-making processes on the implementation of selected organizational solutions contributing to a more sustainable organization of construction supplies was also examined. The developed decision models were simulated in the HPSim software. Models created by the authors using Petri nets can be an important tool that clearly and transparently shows enterprises their possibilities in the implementation of good practices.
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Hassan, Mabroor, Manzoor K. Afridi, and Muhammad I. Khan. "An overview of alternative and renewable energy governance, barriers, and opportunities in Pakistan." Energy & Environment 29, no. 2 (December 12, 2017): 184–203. http://dx.doi.org/10.1177/0958305x17743036.
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High demand of energy for increasing economic growth, inadequate resources, pollution from power generation, inconsistent oil prices, and fickle supplies have triggered governments to develop long-term and secure energy sources. Alternative and renewable energy sources are an anticipation of securing long term, clean, and sustainable future of energy. This paper presents the current energy scenario of Pakistan, the share of renewables, analysis of alternative and renewable energy governance, barriers and opportunities for Pakistan in adopting alternative and renewable energy. It highlights development potential for alternative and renewable energy and issues related to energy governance to achieve the target of 5% share in the energy mix by 2030. The results indicated substantial gaps in alternative and renewable energy policy which is likely to freak the benefits of opportunities and government targets. The findings of this article identified the lack of mechanism to cooperate, poor integration of alternative and renewable energy technologies, underprivileged domestic manufacturing, no portfolio standards for bioenergy, and the dearth of research and development. Additionally, the study had furnished the barriers and opportunities in detail for endowment of alternative and renewable energy resources to assure sustainable energy security of Pakistan.
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Huang, Ying, Liujingtai Pan, Yifei He, Zheqing Xie, and Xiufang Zheng. "A BIM–WMS Management Tool for the Reverse Logistics Supply Chain of Demolition Waste." Sustainability 14, no. 23 (December 1, 2022): 16053. http://dx.doi.org/10.3390/su142316053.
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In the construction industry, the reverse logistics supply chain (RLSC) is one of the measures used to effectively manage demolition waste. However, there are still many problems associated with its operation, including inaccurate calculation of demolition waste supplies and insufficient interaction between supply and demand information, and waste suppliers usually choose transportation alternatives associated with high carbon emissions to obtain economic benefits. These issues have hindered the sustainable development of the RLSC. This paper proposes a waste recycling facility selection system (WRFSS) that integrates building information modeling (BIM), web map service (WMS), and an application programming interface (API) plug-in. Compared to the actual transportation scenario, the transportation distance of the WRFSS was reduced by 30.6 km and the amount of carbon dioxide emissions were reduced by 0.0259 tons. This selection system realizes an optimal selection mechanism for waste recycling facilities and develops the shortest transportation plan, thereby reducing carbon emissions during transportation and achieving sustainable development.
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Kumar, Laveet, Md Shouquat Hossain, Mamdouh El Haj Assad, and Mansoor Urf Manoo. "Technological Advancements and Challenges of Geothermal Energy Systems: A Comprehensive Review." Energies 15, no. 23 (November 30, 2022): 9058. http://dx.doi.org/10.3390/en15239058.
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Geothermal is a renewable energy source, but this is not as often seen as other renewable energy sources, such as solar, wind, hydro, etc. Several applications could be implemented through geothermal energy, and heating & cooling systems are one of them. Because of the limits of technology, it is hard to improve cooling systems as an application. To address long-term sustainable space heating and cooling, it is imperative to develop geothermal technology. It is known as the oldest, most flexible, most adaptable, and most prevalent approach toward using renewable energy. Therefore, this review has reviewed the global development and challenges of geothermal energy for cooling systems. There are large reserves of geothermal energy available around the world, and numerous scholars have emphasized its importance, but due to a lack of knowledge, no operational work has been done in using these systems for cooling up to this point. This review paper examines globally available geothermal energy sources and technologies for environmentally friendly and sustainable cooling supplies. Finally, the benefits and challenges of geothermal systems for cooling are outlined to promote local, regional, and global investment in utilizing these resources for cooling.
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Karuppiah, Koppiahraj, Bathrinath Sankaranarayanan, Syed Mithun Ali, and Sanjoy Kumar Paul. "Key Challenges to Sustainable Humanitarian Supply Chains: Lessons from the COVID-19 Pandemic." Sustainability 13, no. 11 (May 22, 2021): 5850. http://dx.doi.org/10.3390/su13115850.
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COVID-19 has had a major impact on health, economic, social, and industrial activities. It has disrupted supply chain management and affected the movement of essential supplies to a large extent. This study aims to identify and evaluate the challenges hampering sustainable humanitarian supply chain management (SHSCM). Twenty critical challenges to SHSCM are identified using a comprehensive literature review, and three strategies were developed. The challenges and strategies were verified using expert input. The challenges were evaluated using the neutrosophic analytic hierarchical process (AHP) method. The neutrosophic TODIM (an acronym in Portuguese for interactive multicriteria decision making) method was then used to select the best strategy. The findings reveal that facility location problems, short lead times for emergency supplies, spread of rumors, rapid emergence of new clusters, and doubt concerning the available remedy are five critical challenges in SHSCM during COVID-19. Public–private partnerships are identified as the best strategy in SHSCM. Finally, this paper discusses the implications to sustainable development goals in the post-COVID-19 pandemic era.
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AGANBEGYAN, ABEL G. "THE RUSSIAN FUEL AND ENERGY COMPLEX IS THE FUTURE, TAKING INTO ACCOUNT THE REQUIREMENTS OF SUSTAINABLE DEVELOPMENT AND THE GEOPOLITICAL SITUATION." Scientific Works of the Free Economic Society of Russia 236, no. 4 (2022): 359–83. http://dx.doi.org/10.38197/2072-2060-2022-236-4-359-383.
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The author analyzes the role of the fuel and energy complex in the development of the Russian economy and social sphere, predicts how the volume of exports of fuel and energy resources and the federal budget revenues will change in 2022. In particular, this year the total losses of the country can be 50 billion dollars, or 3 trillion rubles. According to the author, it is important to counteract the reduction in the fuel and energy complex and try to get closer to the indicators of 2021, by normalizing exports to European countries and increasing supplies to China, India, Turkey and Asian countries, as well as use of the fuel and energy complex for the development of the economy and social sphere of Russia.
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Nasar, Mohamed. "Survey of Sustainable Development to Make Great Man-Made River Producing Energy and Food." Current World Environment 10, no. 3 (December 25, 2015): 758–63. http://dx.doi.org/10.12944/cwe.10.3.05.
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The Great Man-Made River (GMR) is the world largest irrigation project, consisting of a network of pipes that supplies water from Libyan desert in the south to the coastal areas in the north. This paper studies the possibility of taking advantage of GMR to generate energy and produce food through agriculture. Hydro-kinetic power generation would be carried out by generating energy from water movements across Great Man-Made River pipelines using appropriate sizes of turbines. It's known that the length of the GMR pipeline is about 4000 km with a diameter of 4 m. Pipeline of such magnitude with great water flow rate would make a turbine to produce hundreds of Kilowatts of clean energy. The most significant reasons that force us to take advantage of GMR to generate energy are: a) The needs to sustainable environmental energy source; b) Power System uses energy of flowing water to provide a consistent, controllable, non-weather-dependent source of electricity, such as other types of renewable energy, which are depend on the weather. The conversion of GMR, from supplying freshwater to coastal cities, to huge agricultural project after the establishment of many seawater desalination plants (solar powered) would cover the needs of cities for fresh water. Thus it would become possible to convert thousands of desert hectares around the pipelines to huge agricultural project irrigated from GMR.
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Salimi, Mohsen, and Majid Amidpour. "The Impact of Energy Transition on the Geopolitical Importance of Oil-Exporting Countries." World 3, no. 3 (August 18, 2022): 607–18. http://dx.doi.org/10.3390/world3030033.
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With the changes that have taken place in energy-related technologies, the United States has been less affected by the geopolitical risks associated with the supply of fossil fuel energy resources, especially crude oil. When the price of oil is low, the geopolitical situation of U.S. energy contrasts with that of other oil-producing countries, which are facing financial pressure due to low oil prices and a high domestic energy demand. Many other countries have been supplying crude oil compared to half a century ago, reducing the strategic importance of major oil exporters, such as key OPEC members in the Persian Gulf. The shale oil revolution in the United States and the transition of energy in countries around the world to more sustainable energy sources, especially renewable energy, have reduced the importance of security in the Arab states of the Persian Gulf for U.S. politicians, which will be intensified in the future. Especially from the middle of the Carter administration period, U.S. politicians saw the security of the Arab states of the Persian Gulf as a prerequisite for securing energy supplies for the U.S. economy, but that has changed. Despite the disruption of Russia’s fossil fuel energy supply, as one of the main energy suppliers, due to sanctions from February 2022, the global energy carriers’ prices are relatively under control. Energy transition is one of the main contributors to lowering the impact of fossil fuel energy supply disruptions on the global economy.
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Geng, Jiaxin, Hanping Hou, and Shaoqing Geng. "Optimization of Warehouse Location and Supplies Allocation for Emergency Rescue under Joint Government–Enterprise Cooperation Considering Disaster Victims’ Distress Perception." Sustainability 13, no. 19 (September 23, 2021): 10560. http://dx.doi.org/10.3390/su131910560.
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The location and allocation of emergency supplies are an important part of emergency rescue work. The existing emergency location and allocation process is inefficient, costly, and neglects the psychology of victims. To improve the emergency relief work and solve the current problems, this paper introduces the victims’ pain perception cost into the model, takes the lowest cost of the whole emergency rescue system as the goal, constructs a government–enterprise joint emergency material location–allocation model, and uses the simulated annealing algorithm to solve the model. This paper takes the 2008 Wenchuan earthquake in Sichuan Province as the background and verifies the validity and rationality of the model through a comparative analysis of case simulations. The results show that the model and algorithm can effectively solve the emergency supplies location–allocation problem considering the victims’ pain perception, reflecting the idea of human-centered sustainable development and providing support for building a sustainable emergency relief system.
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Rochmah, Sjahriati, and Tri Hayati. "Utilizing natural resources of geothermal for villagers welfare." E3S Web of Conferences 74 (2018): 03002. http://dx.doi.org/10.1051/e3sconf/20187403002.
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In National Energy Policy, Indonesia is determined to reduce the use of artifact energy, and continue to promote and increase the use of new renewable energy that is used by 23 percent for electricity and transportation in 2025. Bio-energy contributed to 10 percent, Geothermal contributed to 7 percent, Hydro contributed to 3 percent and other new renewable energy contributed to 3 percent. During this time, portfolio/energy mix target had not reached, as in 2015, only reach 5% and in 2016 reach 7 percent. To achieve the national energy resilience, government put geothermal as one of the supplies of pillar energy in the (National Medium-term Development Plan) RPJMN document. Beside government had promoted renewable energy as one of national strategy for instance to determine the energy policy and regulations for sustainable development but the result was not satisfied enough. The current article would explore the renewable energy governance in Indonesia that focused on the geothermal energy. The implementation of various policies, regulations, and programs should increase the awareness of the importance of renewable energy role in the sustainable development system. The transparency of fair governance and the participation of the stakeholders of development therefore it was a must.
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Tiruye, Girum Ayalneh, Abreham Tesfaye Besha, Yedilfana Setarge Mekonnen, Natei Ermias Benti, Gebrehiwet Abrham Gebreslase, and Ramato Ashu Tufa. "Opportunities and Challenges of Renewable Energy Production in Ethiopia." Sustainability 13, no. 18 (September 17, 2021): 10381. http://dx.doi.org/10.3390/su131810381.
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Ethiopia is one of the fastest-growing economies in the world despite immense challenges towards access to sustainable energy supplies and modern energy technologies. The country is undertaking great effort towards the development of renewable energy technologies and green legacy. However, the largest share of energy consumption (≈87%) in Ethiopia is dominated by traditional fuels (charcoal, fuel wood, dung cakes, and agricultural residues) which pose various health and environmental risks. The country has an enormous amount of renewable energy potentials (e.g., solar, hydro, wind and geothermal), but only 5% of its full hydropower potential is exploited and others are not fully harvested or not well developed to date. This review paper provides a comprehensive assessment on renewable energy availability, potential, opportunity, and challenges in Ethiopia. We believe the information provided in this review will enlighten the current and future prospects of renewable energy deployment in Ethiopia.
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Gile, Bridget C., Paul A. Sciuto, Negin Ashoori, and Richard G. Luthy. "Integrated Water Management at the Peri-Urban Interface: A Case Study of Monterey, California." Water 12, no. 12 (December 21, 2020): 3585. http://dx.doi.org/10.3390/w12123585.
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Climate change, drought, and chronic overdraft represent growing threats to the sustainability of water supplies in dry environments. The Monterey/Salinas region in California exemplifies a new era of integrated or “one water” management that is using all of the water it can get to achieve more sustainable supplies to benefit cities, agriculture, and the environment. This program is the first of its kind to reuse a variety of waters including wastewater, stormwater, food industry processing water, and agricultural drainage water. This study investigates the partnerships, projects, and innovations that shape Monterey’s integrated water network in order to better understand the challenges and opportunities facing California communities as they seek to sustainably manage peri-urban water supplies. Water reuse in the Monterey region produces substantial economic and environmental benefits, from tourism and irrigation of high-value crops to protection of groundwater and increases in environmental flows and water quality. Water resource managers in other communities can learn from Monterey’s success leveraging local needs and regional partnerships to develop effective integrated water solutions. However, key challenges remain in resolving mismatched timing between water availability and demand, funding alternative water supplies, and planning effectively under uncertainty. Opportunities exist to increase Monterey’s recycled water supply by up to 50%, but this requires investment in seasonal storage and depends on whether desalination or additional recycling forms the next chapter in the region’s water supply story. Regulatory guidance is needed on seasonal subsurface storage of tertiary-treated recycled water as distinct from potable recharge. By increasing the supply of recycled water to Monterey’s indirect potable use system, the region’s potential need for seawater desalination may be delayed as much as 30 years, resulting in cost and energy savings, and giving the opportunity to resolve present planning concerns.