Arctic soil reveals climate change clues

Frozen arctic soil contains nearly twice the greenhouse-gas-producing organic material as was previously estimated, according to recently published research by University of Alaska Fairbanks scientists.

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<p><a href="http://www.physorg.com/news142675805.html">Arctic soil reveals climate change clues</a></p> <p>Frozen arctic soil contains nearly twice the greenhouse-gas-producing organic material as was previously estimated, according to recently published research by University of Alaska Fairbanks scientists.</p>