This thoroughly-updated second edition provides a comprehensive overview of the current and developing state of environmental governance in the United States. With fresh insights on how federal environmental law interacts with state law, E. Donald Elliott, Daniel C. Esty and Adam Babich explore the important role that administrative agencies play in the creation, implementation and enforcement of U.S. environmental law. Key Features: Presents fresh, extensive coverage on hazardous waste law (RCRA) and Superfund law (CERCLA) Examines the key statutes, case law and controversies involved in the regulation of natural resources Surveys the broad range of regulations and legal principles that govern the protection of the environment in the United States Analyses relevant statutes for specific issues including air and water pollution, climate change, endangered species, wilderness preservation and pesticides This Advanced Introduction is a valuable resource for scholars and students of environmental law. It will also be beneficial for environmental lawyers, business executives, NGO leaders, policymakers and think tank analysts who work on environmental issues.