pollution

Discusses the devastating effects of population growth and industry on air quality; the different types of pollutants that can be found in the atmosphere; the health and economical effects of pollution; and ways to clean up the air.

Discuss the problem of our contaminated rivers, lakes, and oceans and proposes ways to purify them.

Discusses the harmful and beneficial ways, intentional and unintentional, in which man has changed weather and climate throughout history, including a discussion of the effect of air pollution.

Alerts the reader to the dangers of surface water pollution and the global imperative to keep these waters fresh.

Examines three threats to our atmosphere--nuclear winter, greenhouse warming, and the depletion of the ozone layer.

Examines the problem of air pollution, and looks at what is being done around the world to clean up the air, discussing legislation, monitoring, the reduction of greenhouse gases, the development of clean-running cars, chemical crackdowns, and other topics.

Describes the global uses and abuses of groundwater and suggests ways to preserve this valuable resource.

Describes how oil spills occur, how they affect the environment, and how they can be cleaned up and prevented.

Discusses the nature and necessity of ozone in relation to the global environment and air pollution, and examines the greenhouse effect and ways to prevent it.