Archive for October, 2010
Meltdown
Mush of Alaska is covered with permafrost, a layer of permanently frozen soil that lies just below the surface. Warmer temperatures are now causing the permafrost to melt in some places. As it melts, the ground softens and water wells up to the surface. Trees growing in the top soil layer tip sideways and their [...]
Posted: October 24th, 2010 under General, Nature.
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