CFC
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China Emitting Large Amounts Of Banned Greenhouse Gas: This Is How CFC Destroys The Ozone Layer
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Mysterious Source Of Ozone-Destroying Chemicals Traced To East China
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Banned Ozone-Depleting Chemical Possibly Still Being Produced: What Are Chlorofluorocarbons?
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Humanity's Plan To Save The Ozone Layer Is Working, NASA Shows
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Ozone layer may be recovering: The plot (and the ozone layer) thickens
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Ozone-destroying new man-made gases discovered in atmosphere
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