http://news.slashdot.org/article.pl?sid=08/09/30/022246Arctic scientists discover new global warming threat as melting permafrost releases millions of tons of a gas 20 times more damaging than carbon dioxide
http://news.slashdot.org/article.pl?sid=08/09/30/022246Arctic scientists discover new global warming threat as melting permafrost releases millions of tons of a gas 20 times more damaging than carbon dioxide