Hoping y'all get serious on global warming in the Cancun meet.
Seems that the warming happening already is about to release lots of methane into the air. Ice and permafrost have kept the gas trapped in ice for thousands of years, but it's about to be released.
When the gas is released, we'll warm up faster.
Read it here: http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2010/11/28/MNAN1GCV8F.DTL