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.
The ozone layer protects life on Earth from harmful ultraviolet radiation but this protective shield is being damaged by chlorofluorocarbons and other pollutants that are now being generated on the Earth.
Explains what the ozone layer of the atmosphere is, what destroys it, how it is measured, how this depletion affects humans and life on earth, and what can be done to save it.
Examines the ozone layer--a thin band of gases that surrounds the Earth--discussing its importance, the threat posed by pollution, and possible solutions.
Introduces what the ozone layer is, how it protects life on Earth, the damage done to it by CFCs, the danger of the increasingly large hole in the ozone layer, and what may be done to heal it.