Environmental science is an integrated, interdisciplinary field that combines the study of ecology, physics, chemistry, biology, soil science, geology, atmospheric science, and geography. It is among the top 10 most popular Advanced Placement examinations taken by high school seniors in an effort to receive postsecondary college credit. Idiot's Guides: Environmental Science provides a step-by-step review of the disciplines that comprise environmental science, helping students grasp the basic concepts, internalize the information, and prepare for exams.