Thursday, September 07, 2006

Scientists find new global warming threat from melting permafrost

WASHINGTON — New research is raising concerns that global warming may be triggering a self-perpetuating climate time bomb trapped in once-frozen permafrost.

As the Earth warms, greenhouse gases once stuck in the long-frozen soil are bubbling into the atmosphere in much larger amounts than previously anticipated, according to a study in Thursday's journal Nature.

Read the rest of the USA Today article here.

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