The ozone hole

Q&A with Geir Braathen
WMO Senior Scientific Officer, Atmospheric Environment Research Division, Research Department

For more information:

WMO press release, "WMO update on the International Day for the Preservation of the Ozone Layer", 16 September 2009

WMO press release, “WMO Greenhouse Gas Bulletin 2008: Main greenhouse gases reach highest level ever since pre-industrial time,” 23 November 2009

This video is also available in French.

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