Biggest ozone hole over Antarctica in “one or two weeks”
Sep 16th, 2008 | By Sindh Today | Category: HealthToronto, Sep 17 (IANS) A new Canadian study says that cosmic rays, not chlorofluorocarbons (CFCs), are the main cause of the depletion of the ozone layer in the earth’s atmosphere. The study also predicts that the largest ozone hole - larger than the size of the US and Canada combined - will occur over Antarctica in “one or two weeks.”