The story starts in 1974 when Professor F. Sherwood Rowland proposed that CFCs, whose use was rapidly expanding, might pose a ...

CFC-11 was primarily used for home insulation but global production was due to be phased out in 2010. But scientists have seen a big slowdown in the rate of depletion over the past six years.

The Environmental Investigations Agency (EIA) found widespread use of CFC-11 in China, even though the chemical was fully banned back in 2010. Scientists have been extremely puzzled by the ...

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