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Fridges start to contain CFC's
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first ground based measurements of ozone
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Period: to
satellite measurements of ozone start
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M.J.Molina and F.S.Rowland publish lab study demonstrating the ability of CFC's to catalytically breakdown Ozone in the presence of high frequency UV light.
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first world wide measurements. Nimbus 7 goes into orbit carrying TOMS
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TOMS breaks