Who Lost the Ozone?

How the world waited too long to rescue the shield that protects earth from the sun's dangerous UV rays

It is hailed as the greatest success yet in the defense of Planet Earth. Many a President and Prime Minister present themselves as the saviors of the ozone layer -- the leaders who rescued the fragile atmospheric shield that protects all living things from the sun's dangerous ultraviolet rays. This airbrushed view of history starts in 1985, when scientists realized that an ozone hole had opened over the South Pole -- the result of an atmospheric assault by man- made chemicals called chlorofluorocarbons, which are commonly used in refrigerators and air conditioners. Soon after this disturbing surprise, the diplomats of the...

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