This book reflects the current state of knowledge on sustainability in a wide range of fields, from engineering to agriculture, to education. Though primarily intended to offer an update for experts and researchers in the field, it can also be used as a valuable educational tool for relevant undergraduate and graduate courses. Key aspects covered include the better and more responsible engineering and management of energy conversion processes, the development of renewable energy technologies, and improvements in conventional energy utilization and food production. In addition, the book addresses green buildings, the green economy, waste and recycling, water, ecopolitics and social sustainability.