The protective ozone layer in the earth’s upper atmosphere has stopped thinning and should largely be restored by mid century due to the success of The Montreal Protocol signed in 1987.
http://www.google.com/hostednews/afp/article/ALeqM5go2RnKHmYcJjFtzH-vKYV2gs_yJA
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on Tuesday, September 21st, 2010 at 2:08 pm and is filed under Emission Reductions.
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