air

Uses simple experiments to demonstrate the properties of air including air pressure and expansion, how flight is achieved, and how rust is produced.

Paul J. Lioy, an American environmental scientist, discusses the dust that was released from the terrorist attacks on the World Trade Center in 2001, describing his scientific findings and the environmental impact of the dust, the government focus on asbestos, and suggestions to prepare for future incidents.

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.

A simple introduction to the properties of air, the types of animals that fly through the air, and the types of aircraft used by people for transportation and fun.

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.