Arctic 'warmest in 2,000 years'

by Babel-Fish | September 3, 2009 at 08:01 pm
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STOP SOOT, BLACK CARBON AND GLOBAL WARMING

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STOP SOOT, BLACK CARBON AND GLOBAL WARMING

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This is somewhere just off Canada...

This is somewhere just off Canada...

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Arctic temperatures are now higher than at any time in the last 2,000 years, research reveals.

Changes to the Earth's orbit drove centuries of cooling, but temperatures rose fast in the last 100 years as human greenhouse gas emissions rose.

Scientists took evidence from ice cores, tree rings and lake sediments.

Writing in the journal Science, they say this confirms that the Arctic is very sensitive both to changes in solar heating and to greenhouse warming.

The 23 sites sampled were good enough to provide a decade-by-decade picture of temperatures across the region.

Another doom and gloomy story

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Spydermonkey
First Flagged at 9:42 AM, Sep 4, 2009 by Spydermonkey
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