We can save the earth

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

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

Explains what can be done to stop water pollution and conserve water.

Describes the use of electricity, heat, and water by cities and what can be done to reuse and recycle materials.

Describes some extinct animals, tells about endangered species, and examines what can be done to save these animals.

Examines the causes of air pollution and how to prevent it.

Explains what can be recycled and why it is important.

Describes how environmental contamination by various toxic substances can make people sick and suggests ways of preventing or fighting such hazards.

Describes how producing and packaging different foods affect the environment and people.

Discusses the trash problem in this country, caused by both people and technology, and suggests ways to cut down on what is thrown away.