Our endangered planet

By Mary King Hoff

Subjects: Nature, effect of human beings on, Juvenile literature, Greenhouse effect, Atmospheric, Rare animals, Ocean, Effect of human beings on, Management, Endangered species, Nature conservation, Atmospheric Greenhouse effect, Extinction (Biology), Ecology, Greenhouse effect, atmospheric, Nature, Extinction (biology), Nature conservation, juvenile literature, Ozone layer depletion, Global warming, juvenile literature, Water, Wildlife conservation, Global warming, Water, juvenile literature, Ozone layer, Water pollution, Atmosphere, Rare plants, Groundwater, Ocean, juvenile literature, Extinction (biology), juvenile literature, Endangered species, juvenile literature, Pollution

Description: 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.