In the third edition of this textbook each chapter is broken into short, manageable modules to help students learn at an ideal pace. The Math boxes review quantitative skills, offering you a chance to practice the maths you need to know to succeed. Module AP (R) Review questions, Unit AP (R) Practice Exams, and a full length cumulative AP (R) Practice test offer unparalleled, integrated support to prepare you for the real AP (R) Environmental Science exam. Written specifically for the AP (R) Environmental Science course, this text is designed to help you realise success on the AP (R) Environmental Science Exam and in your course by providing the built-in support you want and need.