Researchers from the University of Leeds and Massachusetts Institute of Technology (MIT) in the US, have confirmed the first signs of an increase of ozone, which shields life on Earth from the sun's harmful ultraviolet rays.
New findings, published today in the journal Science, show that the average size of the ozone hole each September has shrunk by more than 1.7 million square miles since 2000 - about 18 times the area of the United Kingdom.
http://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=11666732
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