Bok
10-04-2011, 07:56 PM
Some scientists argue the far North’s ozone merely thinned.
More... (http://www.sciencenews.org/view/generic/id/334917/title/Arctic_ozone_%E2%80%98Hole%E2%80%99_or_just_not_whole%3F)
More... (http://www.sciencenews.org/view/generic/id/334917/title/Arctic_ozone_%E2%80%98Hole%E2%80%99_or_just_not_whole%3F)