Friday, 31 October 2014

Antarctic Ozone hole

Ozone hole layer remains size of North America, Nasa data shows
Antarctic hole in protective layer of gas stands around same level as 2010, 2012 and 2013, but scientists say recovery is on track
·         John Vidal
·          
·         theguardian.com, Friday 31 October 2014 13.33 GMT
This image shows ozone concentrations above Antarctica on 11 September 2014.Photograph: Nasa
http://tinyurl.com/mrqnmt5

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