Over the last 60 years, environmental politics and policy have shaped the modern world and sparked some of the most controversial--and complicated--disputes in American history. On issues from toxic chemicals, endangered species, and pollution to Hurricane Katrina and global climate change, Americans have debated how to protect the planet and local communities while maintaining a vibrant economy and high standard of living. The environmental movement that emerged after World War II transformed American attitudes toward ecology, land use, and natural resources, raising issues that the nation...