Snodgrass, Mary Ellen

Discusses the different types of air pollution and how they can be stopped or reduced.

Examines acid rain, its effects on the world, and possible ways of stopping such damage.

Discusses the causes of toxic waste and its effects on the environment and life. Outlines methods of disposal and how people can protect themselves.

Focuses on the ever-growing problem of managing the many types of solid waste and the hazards they pose to people and the environment. Readers learn how they can help in waste reduction efforts.

Details the various types of land pollution and possible ways to prevent them.