Ozone: A World Avoided
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April 15, 2009
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Download video directlyOzone-depleting chlorofluorocarbons (CFCs) were first banned over 20 years ago after a group of researchers discovered a seasonal hole in the ozone layer over Antarctica. Recently, a team of atmospheric chemists at NASA used climate models to predict what would have happened if we had continued to use CFCs without regulation. Watch this videocast to learn about their findings and see why we're not out of the woods yet.
