This brand-new Advanced Placement manual is the only book currently on the market that specifically prepares students for the AP Environmental Science Exam. It reviews all important environmental science concepts and problems, including: the flow of energy, its sources, and conversions; the cycling of matter; geology and earth dynamics; the atmosphere, weather, and climate; the biosphere, human history and global distribution; the earth's renewable and nonrenewable resources; measuring environmental quality; global changes; and environmental laws, ethics, and issues. The book's added features include an overview of the test format and test-taking strategies. Two full-length practice tests are presented with questions answered and explained.