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Greenland's Melting Ice-Sheet Bed Releases Tons Of Methane, Says Study

Researchers found that the Greenland ice sheet emits tons of methane, showing that sub-glacial biological activity impacts the atmosphere far more than it was thought previously. The study, led by a team from United Kingdom's University of Bristol, found that ice sheet beds, which hold large reserves of carbon, liquid water, microorganisms and very little oxygen -- the ideal conditions for creating methane gas -- are also atmospheric methane sources.  Read more...



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