This book is aimed at providing a comprehensive overview of recent developments in sustainability science and engineering. The book focuses on principles and practices and presents 18 interwoven chapters on four major themes: design for sustainability; sustainability metrics and analysis; sustainable energy; and sustainable supply/value. Significant, state-of-the-art work, methodologies, practices and plans are presented by researchers, technology developers and industry leaders. Topics discussed include: life cycle assessment; product end-of-life options; practical approaches to sustainability; environmental footprint assessment; biofuels; and sustainable supply chain management.