This book contains selected papers presented during the World Renewable Energy Congress (WREC) 2020 at the Instituto Superior Técnico in Lisbon. The WREC is dedicated to promoting renewable energy global development, and features top international experts, policy makers, scientists, engineers, technology developers, and business practitioners addressing the most current research and technological breakthroughs in sustainable energy development and innovation. The contributions address policy and renewable energy technologies and applications in all sectors—for heating and cooling, agricultural applications, water, desalination, industrial applications, and for the transport sectors. Presents cutting-edge research in green building and renewable energy from all over the world;Covers the most up-to-date research developments, government policies, business models, best practices, and innovations;Contains case studies and examples to enhance practicalapplication of the technologies.