Klaus Töpfer Editor

Professor Dr. Harald A. Mieg is a Senior Fellow at the Institute for Advanced Sustainability Studies (IASS), advising on urban research. Professor Dr. Klaus Töpfer is Executive Director of the IASS and former Executive Director of the United Nations Environment Programme (UNEP). This book results from research and discussions conducted at the IASS. The IASS is a German government-funded research institute and international hub for sustainability experts from natural and social sciences, politics, technology, and civil society.