Addressing the major issues associated with green energy and energy efficiency, this book examines the economics of energy from the theoretical as well as applied perspectives. It makes a valuable contribution to existing discussion around environment and climate change issues, and provides an analysis of the socioeconomic and policy-oriented aspects of this topic. Each chapter is self-contained and tackles the fundamental issues and latest developments of a particular sub-topic. Combining rigour and accessibility, this book allows non-specialized readers to understand the complexity of the topic, and to likewise access the most relevant and up-to-date literature. It simultaneously enables more specialized readers to broaden their understanding of complex energy topics and it provides a comprehensive overview of the cutting-edge developments of the issues covered by the book. This book covers important themes including regulation for green energy, the promotion of green energy and efficiency, the challenges and options of renewable energy, and efficiency in economic sectors. It is intended for researchers and postgraduates with an interest in energy, climate change and environmental economics, and also policymakers and energy companies.