influence on nature

Discusses the adverse impact of development and other activities on the ecology of tropical forests, and considers the consequences of large-scale deforestation.

Examines how to preserve and protect our land from deforestation and erosion.

Examines how abuse of the sea by humans threatens ocean life, and, if not controlled, may ultimately threaten the survival of the planet.

A guide to the natural history of the undersea world, including instructions for amateur naturalists for collecting and keeping marine specimens.

Discusses how Earth's growing population strains its natural resources.

Describes the delicate ecological balance among all living things on land, the damage done by humanity in contributing to the extinction of various species, and ways of preventing further harm.

Explores problems and solutions, emphasizing the role of ordinary citizens as well as scientists in reversing environmental degradation, restoring ravaged areas, and protecting our precious Earth.

Explains how the extinction of various animal species can upset the delicate balance of the ecosystem and offers a variety of protective measures that would help avoid further damage.

Explains the frightening implications of the destruction man has caused to earth's environment and offers possible solutions to the problems by altering human behavior.

Describes the exploitation and sometimes extinction of wildlife in North America. Also tells the story of societies trying to protect these animals.