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Earth's ozone depletion is finally slowing - Gaia Vince (New Scientist)

Almost 30 years after it was first reported that pollutants were destroying the Earth's protective ozone layer, there is clear evidence that the global CFC ban has had an impact. For the first time, it has been shown that the rate of ozone depletion in the upper stratosphere is slowing down. The time lag between the CFC ban and the start of ozone recovery is due to the slowness of the cycle involved. CFCs last between 45 to 100 years in the atmosphere.
Published On:	3/9/2008
Submitted On:	3/9/2008 3:48:10 PM by Frank K
Categories:	Climate & Ozone Layer

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