Siberian caves warn of permafrost meltdown
Saturday, June 22, 2013 - 01:30
in Earth & Climate
Climate records captured in Siberian caves suggest 1.5 degrees of warming is enough to trigger thawing of permafrost, according to a paper to be given at the Geological Society of London on 27 June. Permafrost regions cover 24% of the northern hemisphere land surface, and hold …