air

Provides information about the characteristics and importance of air, and offers suggestions to young readers on how to conduct their own scientific investigation of air.

The ancient philosophy of the world as made up of four elements--earth, fire, water, and air--becomes a contemporary entreaty for respect for the natural world and our place in it.

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.

Chronicles the lives and works of various scientists who have uncovered the secrets of the earth's atmosphere.

Examines evidence that rising levels of carbon dioxide in the atmosphere may be changing the earth's climate. Also discusses how and why scientists study climatic changes.

Discusses the causes and harmful effects of acid rain and examines possible solutions for this pollution problem.

Simple text and illustrations describe the ecological issue of air pollution and ways children can help to control the problem.

Describes the composition and characteristics of air, its indispensability to plants and animals, and the necessity of keeping air fit to breathe.

Presents experiments that reveal the properties of air, with special attention to those that would make good science fair projects.

Discusses the environmental damage and safety problems associated with the internal combustion engine, with an emphasis on emissions and air pollution, and examines various solutions and alternatives to the situation.