Extensively revised and updated, this popular text presents an accessible yet rigorous treatment of environmental and natural resources economics, including climate change and the economics of sustainability. Completely revised and updated, the fourth edition now includes new figures and tables, definitions to assist the reader, and updated policy information. New advances in the science, economics and policy approaches to climate change have been integrated into essentially all-new chapters on incentive regulation and global climate change. This innovative textbook integrates economics with science and public policy in a balanced and accessible way that will be appreciated by students from disciplines ranging from economics and natural resources management to environmental studies and energy policy.