influence on nature

Describes over 100 species of plants, insects, fishes, birds, reptiles, amphibians, and mammals that are currently abundant and appear resilient enough to be likely to continue to thrive in the altered North American environment of tomorrow.

Uses a story of penguins in Antarctica to demonstrate how their environment is threatened by the pollution from man's presence.

Examines how various ecosystems are being destroyed by human activities, efforts to stop the destruction, and the cost of implementing environmental policies.

Contains 500 articles and lists of facts and statistics concerning the major resources, energy, economic, and ecological issues of the planet.

Discusses the basic principles of ecology with emphasis on the way man has changed his environment.

Identifies and tells the stories behind many plants and animals at risk from human action, and describes the political and other factors involved in decisions concerning the various species.

Text, photographs, and maps focus on areas of the world in which human activity is destroying the natural balance.

Offers information about environmental terms, issues and practices, arranged in a dictionary format.

Argues that the sixth great extinction on Earth is underway, with 30,000 species disappearing every year. In the previous five extinctions, at least sixty-five percent of all species disappeared, the same rate that they are now disappearing.