Image Credit: rpongsaj via Flickr
The polar and sub-polar regions of the world are feeling the greatest effect of global climate change. One observable sign of warming is the thawing of Arctic tundras in Russia, Alaska and Canada. As Russia's tundras thaw, the long-buried remains of woolly mammoths have been popping up all over the place--to the tune of about 50 ton's worth per year. Some Russians are even making a living by hunting for, and selling, mammoth bones and ivory.
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