Earthnut Posted April 6, 2011 Share Posted April 6, 2011 GENEVA – The depletion of the ozone layer shielding Earth from damaging ultraviolet rays has reached an unprecedented low over the Arctic this spring because of harmful chemicals and a cold winter, the U.N. weather agency said Tuesday....... https://news.yahoo.com/s/ap/20110405/ap_on_re_eu/un_un_arctic_ozone_layer Link to comment Share on other sites More sharing options...
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