Discusses the problem of maintaining a clean water supply and relates this issue to such topics as pollution, depletion of sources, and other environmental concerns.
Discusses the history of environmentalism in the United States, including background on such groups as the Sierra Club, Greenpeace, the Nature Conservancy, Environmental Action, and a variety of anti-nuclear organizations.
Examines the relationship between the law and the environment and discusses present and future legislation in such areas as pollution, waste disposal, and land use.
Examines the extinction of various plants and animals, mankind's effect on the biosphere and species loss, and the preservation and protection of life forms.