"The authors transform masterfully the leading-edge of environmental economics research into language that is accessible, insightful and relevant to a broad audience. The book is an essential resource for all undergraduate environmental economics and environmental policy courses." – Assistant Professor Jacob Hochard, Department of Economics, East Carolina University. "Lewis and Tietenberg provide a highly-relevant and up-to-date economics-based framework for evaluating environmental problems and policy solutions. In examining the most critical environmental issues of the day, the authors embrace a wide range of disciplinary-perspectives. This book is perfect for undergraduate economics students or graduate policy students." – Professor Sarah L. Stafford, Chair of the Department of Economics, William & Mary.