The Blueprint series, published in association with the Centre for Social and Economic Research on the Global Environment (CSERGE), addresses the key issues in environmental economics. Launched in 1989 with the seminal Blueprint for a Green Economy, the books have proved useful to policy makers and professionals, and are invaluable texts for students. Blueprint series editor David Pearce is Professor of Environmental Economics at University College London, and Director of CSERGE. He is the author, co-author or editor of over 200 articles and 40 books. He has been a Personal Adviser to two UK Secretaries of State for the Environment and holds the UN Global 500 award for services to the world environment.