endangered plants

Text and photographs discuss the importance of plants and what can be done to protect some kinds of plants that face extinction.

Describes the various animals and plants throughout the world whose survival is being threatened and the steps being taken to save them from extinction.

Looks at various rare and endangered plants, discusses how they became endangered and efforts being made to protect them.

Explains what species are, how they become extinct, and the effect of extinction on the ecology, and surveys endangered species of plants and animals and possible solutions.

Portraits of America's endangered species and plants.

Explains what species are, how they become extinct, and the effect of extinction on the ecology, and surveys endangered species of plants and animals and possible solutions.

Examines the various plants and animals that have become extinct as a result of human intervention, and discusses ways in which conservationists are attempting to correct the problem.

Examines mass extinctions in history, the environmental impact of humans today, and current damage to various ecosystems. Profiles endangered plant and animal species and contains a section on conservation issues. Includes tables, maps, and color photographs.

Describes plants that are at risk of becoming extinct and efforts to save them.