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Renewable Energy Sources and Climate Change Mitigation
This Intergovernmental Panel on Climate Change Special Report (IPCC-SRREN) assesses the potential role of renewable energy in the mitigation of climate change. It covers the six most important renewable energy sources – bioenergy, solar, geothermal, hydropower, ocean and wind energy – as well as their integration into present and future energy systems. It considers the environmental and social consequences associated with the deployment of these technologies and presents strategies to overcome technical as well as non-technical obstacles to their application and diffusion. SRREN brings a broad spectrum of technology-specific experts together with scientists studying energy systems as a whole. Prepared following strict IPCC procedures, it presents an impartial assessment of the current state of knowledge: it is policy relevant but not policy prescriptive. SRREN is an invaluable assessment of the potential role of renewable energy for the mitigation of climate change for policymakers, the private sector and academic researchers.
eBook
How renewable energy works
\"Readers will learn the state of nonrenewable resources on Earth in addition to information about the renewable energy technology that will power cars and homes in the future.\"-- Publisher's website.
Book
Import options for chemical energy carriers from renewable sources to Germany
Import and export of fossil energy carriers are cornerstones of energy systems world-wide. If energy systems are to become climate neutral and sustainable, fossil carriers need to be substituted with carbon neutral alternatives or electrified if possible. We investigate synthetic chemical energy carriers, hydrogen, methane, methanol, ammonia and Fischer-Tropsch fuels, produced using electricity from Renewable Energy Source (RES) as fossil substitutes. RES potentials are obtained from GIS-analysis and hourly resolved time-series are derived using reanalysis weather data. We model the sourcing of feedstock chemicals, synthesis and transport along nine different Energy Supply Chains to Germany and compare import options for seven locations around the world against each other and with domestically sourced alternatives on the basis of their respective cost per unit of hydrogen and energy delivered. We find that for each type of chemical energy carrier, there is an import option with lower costs compared to domestic production in Germany. No single exporting country or energy carrier has a unique cost advantage, since for each energy carrier and country there are cost-competitive alternatives. This allows exporter and infrastructure decisions to be made based on other criteria than energy and cost. The lowest cost means for importing of energy and hydrogen are by hydrogen pipeline from Denmark, Spain and Western Asia and Northern Africa starting at 36 EUR/MWh LHV to 42 EUR/MWh LHV or 1.0 EUR/kg H2 to 1.3 EUR/kg H2 (in 2050, assuming 5% p.a. capital cost). For complex energy carriers derived from hydrogen like methane, ammonia, methanol or Fischer-Tropsch fuels, imports from Argentina by ship to Germany are lower cost than closer exporters in the European Union or Western Asia and Northern Africa. For meeting hydrogen demand, direct hydrogen imports are more attractive than indirect routes using methane, methanol or ammonia imports and subsequent decomposition to hydrogen because of high capital investment costs and energetic losses of the indirect routes. We make our model and data available under open licenses for adaptation and reuse.
Journal Article
Powerful planet : can earth's renewable energy save our future?
Describes renewable energy sources.
Book
Do technological innovations and financial development improve environmental quality in Egypt?
Achieving the seventh Sustainable Development Goal which is clean energy at affordable prices depending on technological innovation is one of the most strategic objectives of Egypt, aiming at mitigating carbon dioxide emissions and enhancing sustainable economic growth (IRENA
2018b
). Based upon this goal, the study explores the relationships among carbon dioxide emissions, technological innovation, alternative energy resources, economic growth, and financial development in Egypt over the period 1971–2014. Auto-regressive distributed lag (ARDL), fully modified ordinary least square (FMOLS), Stock and Watson dynamic ordinary least square (DOLS), and Toda-Yamamoto approaches are employed. The results show the existence of cointegration among the variables. Moreover, empirical results show that while technological innovation and alternative energy resources improve environmental quality, financial development and economic growth deteriorate it. The findings obtained from Toda-Yamamoto approach reveal the existence of bi-directional causal relation between environmental degradation and economic growth. Also, environmental degradation causes technological innovation and financial development causes environmental degradation and economic growth. Thus, several policy implications should be suggested to policymakers as enhancing the development of technological innovation especially in renewable energy sector to improve environmental quality.
Journal Article
Science vs. the energy crisis
In this book readers will discover what science is doing to help keep our planet sustainable for the future, exploring the science behind energy production and what we can do to prevent our natural resources from running out.
Book
A critical review of the integration of renewable energy sources with various technologies
Wind power, solar power and water power are technologies that can be used as the main sources of renewable energy so that the target of decarbonisation in the energy sector can be achieved. However, when compared with conventional power plants, they have a significant difference. The share of renewable energy has made a difference and posed various challenges, especially in the power generation system. The reliability of the power system can achieve the decarbonization target but this objective often collides with several challenges and failures, such that they make achievement of the target very vulnerable, Even so, the challenges and technological solutions are still very rarely discussed in the literature. This study carried out specific investigations on various technological solutions and challenges, especially in the power system domain. The results of the review of the solution matrix and the interrelated technological challenges are the most important parts to be developed in the future. Developing a matrix with various renewable technology solutions can help solve RE challenges. The potential of the developed technological solutions is expected to be able to help and prioritize them especially cost-effective energy. In addition, technology solutions that are identified in groups can help reduce certain challenges. The categories developed in this study are used to assist in determining the specific needs and increasing transparency of the renewable energy integration process in the future.
Journal Article
Green energy
Describes why alternative fuels are better for our planet, what renewable energy resources are, the various types of alternate fuels, and how they can be used.
BOOK
A review of renewable energy sources, sustainability issues and climate change mitigation
The world is fast becoming a global village due to the increasing daily requirement of energy by all population across the world while the earth in its form cannot change. The need for energy and its related services to satisfy human social and economic development, welfare and health is increasing. Returning to renewables to help mitigate climate change is an excellent approach which needs to be sustainable in order to meet energy demand of future generations. The study reviewed the opportunities associated with renewable energy sources which includes: Energy Security, Energy Access, Social and Economic development, Climate Change Mitigation, and reduction of environmental and health impacts. Despite these opportunities, there are challenges that hinder the sustainability of renewable energy sources towards climate change mitigation. These challenges include Market failures, lack of information, access to raw materials for future renewable resource deployment, and our daily carbon footprint. The study suggested some measures and policy recommendations which when considered would help achieve the goal of renewable energy thus to reduce emissions, mitigate climate change and provide a clean environment as well as clean energy for all and future generations.
Journal Article