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First signs of ozone-hole recovery spotted (for Yr 12)

Judith Ji - Tuesday, May 24, 2011
The hole in the ozone layer over Antarctica is starting to heal, say researchers in Australia. The team is the first to detect a recovery in baseline average springtime ozone levels in the region, 22 years after the Montreal Protocol to ban chlorofluorocarbons (CFCs) and related ozone-destroying chemicals came into force. (Nature news)

For the full story go to http://www.nature.com/news/2011/110516/full/news.2011.293.html
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