Climate change, forest fires drove widespread surface melting of Greenland ice sheet

Rising temperatures and ash from Northern Hemisphere forest fires combined to cause large-scale surface melting of the Greenland ice sheet in 1889 and 2012, contradicting conventional thinking that the melt events were driven by warming alone, a Dartmouth College-led study finds.

from Phys.org – spotlight science and technology news stories http://ift.tt/1tbkwLL
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