Ozone hole layer remains size of North America, Nasa data shows
John Vidal, theguardian.comAntarctic hole in protective layer of gas stands around same level as 2010, 2012 and 2013, but scientists say recovery is on track
The Antarctic ozone hole, which was expected to reduce in size swiftly when manmade chlorine emissions were outlaw…
via Tumblr http://ift.tt/1o2cndV November 01, 2014 at 11:33PM
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