Bok
10-26-2012, 05:38 PM
Warm Antarctic temperatures help preserve UV-protecting layer
More... (http://www.sciencenews.org/view/generic/id/346068/title/Ozone_hole_at_smallest_size_in_decades)
More... (http://www.sciencenews.org/view/generic/id/346068/title/Ozone_hole_at_smallest_size_in_decades)