SRL for [of ozone in the earth 's atmosphere]: As an employee of a major refrigerator and freezer manufacturer , I have been heavily involved in dealing with the political manifestations of the Rowland - Molina theory -LRB- named after the researchers who found in 1974 that chlorofluorocarbons contributed to the depletion [of ozone in the earth 's atmosphere] -RRB- and the Montreal Protocol .
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