As we reach the end of the 20th century, the question of how to meet human needs and preferences while safeguarding the global environment is a major concern facing humanity. This book reflects the state of the art of thinking on the necessary concepts, tools and instruments that are likely to help producers, consumers and governments to adjust their policies and practices. It covers theories and concepts, practical approaches and visions of industry and government. The book has been written by a team of authors that includes the most forward thinking researchers and managers on the issue. It is a handbook for all those involved in decisions about product design and eco-efficiency, about environment and resource use policies. Moreover it can serve as a handbook for all those who are studying with the aim to become involved in such issues.