Why don't we hear much about ozone layer depletion in the news these days 

Most people have heard of the words, ozone depletion and chlorofluorocarbon gas.
Unlike global warming, however, we don't hear much about ozone depletion these days.
Today, I would like to talk about the ozone layer and mankind's efforts to protect it.
#OzoneLayer #CFC #Fluorogas
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【Source】
Mario J. Molina & F. S. Rowland., (1974). "Stratospheric sink for chlorofluoromethanes: chlorine atom-catalysed destruction of ozone."
J. C. Farman, B. G. Gardiner & J. D. Sahnklin., (1985). "Large losses of total ozone in Antarctica reveal seasonal ClOx/NOx interaction."
Susan E. Strahan Anne R. Douglass., (2018). "Decline in Antarctic Ozone Depletion and Lower Stratospheric Chlorine Determined From Aura Microwave Limb Sounder Observations."
svs.gsfc.nasa....
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