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Gatsby
Joined: 09 Feb 2007
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 Posted: Mon Oct 20, 2008 5:16 pm Post subject: |
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| Quote: |
Climate changing 'faster, stronger, sooner'
By Matthew Knight
For CNN
LONDON, England (CNN) -- Climate change is happening faster than previously predicted according to a new World Wildlife Fund report.
The WWF say climate change threat has worsened in the 15 months since the IPCC last reported.
Bringing together some of the most recent scientific reports and data, "Climate change: faster, stronger, sooner" reveals that global warming is accelerating more rapidly than the predictions made in the IPCC's Fourth Assessment Report published in 2007.
One of the most concerning aspects of recent data is evidence that, in some places, the Arctic Ocean is losing sea ice 30 years ahead of current IPCC predictions.
Summer sea ice is now forecasted to completely disappear in the summer months sometime between 2013 and 2040 -- something which hasn't happened for over a million years.
The report's author, geoscientist Dr Tina Tin told CNN: "Arctic sea ice is melting much faster than everybody had been expecting. Why? Well, maybe it's because the positive feedback mechanisms have kicked in much quicker than we have been able to quantify."
Positive feedback mechanisms amplify changes occurring in the climate. In the case of the Arctic region there is a sort of vicious circle of warming occurring. White ice sheets perform an important function in moderating global temperature by reflecting heat from the sun back into space. But they have begun to melt as the earth has warmed. The result is more dark sea water which absorbs heat, which in turn warms the earth more and encourages further melting.
Globally, sea levels are now expected to rise more than double the IPCC's most recent forecast of 0.59 meters before the end of the century. This will put millions of people in coastal regions at risk.... |
http://edition.cnn.com/2008/TECH/science/10/20/wwf.climate.report/index.html
How much you wanna bet they issue another report in a year or two saying global warming is moving faster than their last report? |
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re:cursive
Joined: 04 Jan 2006
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bacasper
Joined: 26 Mar 2007
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| Posted: Tue Oct 21, 2008 6:10 am Post subject: |
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How about for those of us who won't get to read it you just give us a brief synopsis? It would be appreciated. |
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