Tuesday, January 26, 2010

Ozone Hole Healing Could Cause Further Climate Warming

Total Antarctic ozone - September 2009. (Credit: NOAA)

From Science Daily:

Science Daily (Jan. 26, 2010) — The hole in the ozone layer is now steadily closing, but its repair could actually increase warming in the southern hemisphere, according to scientists at the University of Leeds.

The Antarctic ozone hole was once regarded as one of the biggest environmental threats, but the discovery of a previously undiscovered feedback shows that it has instead helped to shield this region from carbon-induced warming over the past two decades.

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