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....