G. Tyler Miller's worldwide bestsellers have evolved right along with the changing needs of your diverse student population. Focused specifically on energizing and engaging all your students, Miller and new contributor Scott Spoolman have been at work scrutinizing every line--enhancing, clarifying, and streamlining to reduce word density as well as updating with the very latest environmental news and research. The resulting texts are shorter, clearer, and so engaging that your students will actually want to read their assignments. The Fifteenth Edition's engaging, streamlined coverage includes over 4,000 updates and new topics; hundreds of new "Thinking About" exercises that engage students in critical thinking about environmental science topics; "Core Case Studies" that reinforce chapter concepts; 127 new photos; and superb, integrated coverage of sustainability! New to this edition for instructors is PowerLecture, a one-stop shop for lecture prep that includes everything you need to G. Tyler Miller has written 62 textbooks for introductory courses in environmental science, basic ecology, energy, and environmental chemistry. Since 1975, Miller's books have been the most widely used textbooks for environmental science in the United States and throughout the world. They have been used by almost three million students and have been translated into eight languages. Miller has a professional background in chemistry, physics, and ecology. He has a PhD from the University of Virginia and has received two honorary doctoral degrees for his contributions to environmental education. He taught college for 20 years, developed one of the nation's first environmental studies programs, and developed an innovative interdisciplinary undergraduate science program before deciding to write environmental science textbooks full time in 1975. Currently, he is the president of Earth Education and Research, which is devoted to improving environmental education.