Leaking Siberian ice raises a tricky climate issue
Sunday, November 21, 2010 - 12:30
in Earth & Climate
(AP) -- The Russian scientist shuffles across the frozen lake, scuffing aside ankle-deep snow until he finds a cluster of bubbles trapped under the ice. With a cigarette lighter in one hand and a knife in the other, he lances the ice like a blister. Methane whooshes out and bursts into a thin blue flame.