This classic book explores the interactions of humans within the natural environment and probes issues thoroughly, examining their scientific basis, history, and society's response. Strong science, sustainability, and stewardship of Earth remain the underlying themes. Accompanies each copy of the book with the new Global City CD, built around the concepts of a large city that shows many of the environmental problems presented in the book. Includes an extensively revised layout and design. Keeps readers abreast of the latest developments or most pressing issues in the field, such as Global Climate Change. Offers "Environment on the Web" exercises that help readers access additional information on the Internet; important Web references are keyed to each chapter. An interesting reference for anyone interested in learning more about today's crucial environmental issues.