As people began to see how pollution and industry could damage the environment, they began to seek change. This book explores the research that revealed how common practices harmed the environment, the events people held to raise awareness, and the tactics protesters use to protect nature and change laws. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards.