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Uploaded on Tuesday 21 Feb 2012 by GRID-Arendal

The Antarctic hole

Year: 2008 Author: Emmanuelle Bournay, UNEP/GRID-Arendal
Description:
Despite progress achieved under the Montreal Protocol, the ozone “hole” over the Antarctic was larger than ever in September 2006. This was due to particularly cold temperatures in the stratosphere, but also to the chemical stability of ozone-depleting substances – it takes about 40 years for them to break down.
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Climate change - ice and snow and the albedo effect
Major research stations in the Arctic
Coldwater coral reefs, distribution
Protected areas, Arctic and Antarctic
Population and main oil and gas production areas in the Arctic
Cryosphere - winter seasons, Northern and Southern Hemispheres
Temperature increases in the Antarctic due to climate change, 2090 (NCAR-CCM3, SRES A2 experiment)
Cold places on the Southern Continent