Siberian stalactites point to permafrost thaw

Australian Broadcasting Corporation: Climate change Large regions of the planet's permafrost could be vulnerable to thawing if the average global temperature rises just 1.5 degrees more, a new analysis of stalactites and stalagmites in Siberian caves suggests. With climate projections currently suggesting the global climate could warm by more than 2°C over the next century, the new results highlight concerns about the potential for permafrost thawing to amplify climate change by releasing carbon dioxide and methane into the atmosphere....

URL: http://www.abc.net.au/science/articles/2013/02/22/3695985.htm
Enclosure: http://www.abc.net.au/reslib/201302/r1076783_12758427.jpg