Global warming could accelerate from thawing Siberian permafrost

Permafrost soil blanketing northeastern Siberia contains about 75 times more carbon than is released by burning fossil fuels each year. That means it could become a potent, likely unstoppable contributor to global climate change if it continues to thaw. So conclude three scientists in a paper set to appear Friday in the journal Science.

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<p><a href="http://www.physorg.com/news69692382.html">Global warming could accelerate from thawing Siberian permafrost</a></p> <p>Permafrost soil blanketing northeastern Siberia contains about 75 times more carbon than is released by burning fossil fuels each year. That means it could become a potent, likely unstoppable contributor to global climate change if it continues to thaw. So conclude three scientists in a paper set to appear Friday in the journal <i>Science</i>.</p>