In its refined Third Edition, this popular casebook responds to both changes in the field and user feedback. "Environmental Regulation": Law, Science, and Policy, Third Edition, is skillfully designed to help students and professors navigate this complex area.The authors bring clarity and coherence to the study of environmental regulations and the policy considerations that shape them, -- comprehensive coverage that supplies a complete introduction to environmental law while it allows the flexibility to choose topics to emphasize-- a detailed examination of policy that goes beyond an explanation of the regulatory structure to explore the political, economic, and ethical concerns that influence policy and enforcement-- effective teaching and study aids including charts and diagrams that map the structure of each major environmental statute, problems and questions based on real-life situations, and "pathfinders" to explain where to locate crucial source materials