Revised and updated for the 2nd edition, this textbook provides an analysis and investigation of the most essential areas of environmental economic theory and policy, including international environmental problems. The approach is based on standard theoretical tools, in particular equilibrium analysis, and aims to demonstrate how economic principles can help to understand environmental issues and guide policymakers. Current topics including climate change, overfishing and integrated approaches to environmental policies are carefully analyzed in this framework, and a multitude of practical examples from various parts of the world is presented. Addressing undergraduate and graduate students, this book is a must read for everybody interested in a better understanding of environmental economics.