Although vegetation growth in the Arctic is boosted by global warming, it’s not enough to offset the carbon released by the thawing of the permafrost beneath the surface, researchers have found in the first experiment in the Arctic environment to simulate thawing of permafrost in a warming world.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/R4mKPhjOlGI" height="1" width="1"/>
