Renewable Energy Projects and Investments: Interdisciplinary Knowledge, Analysis, Opportunities, and Outlook brings together a range of insights and perspectives from across technology, engineering, sustainability, circular economy, economics, policy, and social science, to support the further growth and development of renewable energy. The book begins by providing a general outlook of the drivers in renewable energy in terms of regulatory frameworks, technological advancements, and market conditions, the associated risks and opportunities, and current trends and forecasts. The second section focuses on the effects of sustainability and circular economy on renewables, addressing the various challenges and possible solutions. The final section delves further into interdisciplinary issues relating to renewable energy, including in terms of engineering and technology, economics and finance, policy, and social science. Throughout the book, case studies and practical examples are used to help to support the decision-making process. This highly interdisciplinary resource is of interest to all those who require a comprehensive understanding of the many different factors at play in the development of renewable energy, including researchers, advanced students, faculty, engineers, R&D, industry personnel, analysts, and policy makers.