ecology

Describes what a rain forest is and what types of plants and animals reside there.

Text and pictures document the life cycle of this amazing tree of the African savannah, and portrays the animals and people it helps to support.

Follows scientists as they travel to the Inupiaq villages on the North Slope of Alaska to study the effects of global warming on the traditional whaling communities.

Explains how grasslands are formed, the wildlife that inhabits them, and the impact man has on the grassland environment.

Explains how recycling helps the environment; describes the benefits of reusing and recycling glass, plastic, aluminum, paper, and other materials; and presents suggestions for recycling at home and at school.

Examines water pollution and freshwater supply and demand, discusses how resources are polluted, and explores conservation and protection methods as well as improvements that can ensure quality water.

Explores endangered species and ecosystems, discusses various types of threats to animals and the environment, and examines ways they can be protected.

Presents a collection of alphabetically arranged entries covering a wide range of topics related to the various habitats of the world, including wildlife diversity, geography, environmental issues, ecosystem dynamics, and human impact. Includes entries Shr - Tre.