This is your complete guide to a higher score on the AP Environmental Science exam. This book includes: an Introduction; reviews of the AP exam format and scoring; proven strategies for answering matching; problem solving; multiple choice; cause and effect; tables, graphs, and charts; basic math questions; and, hints for tackling the free-response questions. Part I - Subject Reviews - covers all subject areas you'll be tested on: Earth's systems and resources; The living world; Population; Land and water use; Energy resources and consumption; Pollution; and, Global change. Part II - Practice Exams - features: 3 full-length practice exams with answers and complete explanations; Proven test-taking strategies; and, Focused reviews of all exam topics.