Bob Berwyn:
"Researchers said they measured increased levels of methane where the Arctic’s floating sea ice fractures to reveal open water. Although the amount is small compared to emissions from human sources, it was more than previous estimates for methane emissions from marine sources.
The methane may be coming from tiny bacteria and other organisms in the seawater, which release methane as a waste product, but this has not yet been demonstrated definitively.
“And there is the potential for feedbacks,” said James Elkins, Ph.D., a researcher with NOAA’s Earth Systems Research Laboratory. “We know that Arctic sea ice is disappearing, and with warmer water, more sunlight, more breakup of the ice … we could see enhancement of the biological activity that creates methane.”...." (Read more? Click title)
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