Friday, July 16, 2010

Ozone depletion


žOzone depletion is another result of pollution. The ozone layer in the stratosphere protects the earth from harmful ultraviolet radiation from the sun. Release of chlorofluorocarbons (CFC's) removes some of the ozone, causing "holes" to open up in this layer and allowing the radiation to reach the earth.
žUltraviolet radiation is known to cause skin cancer and has damaging effects on plants and wildlife.

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