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Here's a bit of good news about climate change:
One climate doomsday scenario can be downgraded, new research suggests.
Decades of atmospheric measurements from a site in northern Alaska show that rapidly rising temperatures there have not significantly increased methane emissions from the neighboring permafrost-covered landscape, researchers reported December 15 at the American Geophysical Union's fall meeting.
Some scientists feared that Arctic warming would unleash large amounts of methane, a potent greenhouse gas, into the atmosphere, worsening global warming. "The ticking time bomb of methane has clearly not manifested itself yet," said study coauthor Colm Sweeney, an atmospheric scientist at the University of Colorado Boulder. Emissions of carbon dioxide — a less potent greenhouse gas — did increase over that period, the researchers found.
Some have been concerned about a sudden, runaway spike in greenhouse gases owing to thawing methane clathrates in the ocean (the "Clathrate gun hypothesis") and in the permafrost.
(Score: 3, Touché) by https on Wednesday December 21 2016, @09:19PM
It's not a strawman. It's Standard Operating Procedure for climate change deniers to present gaps in the theories or puzzling observations as refutation.
Where have you been for the last decade?
Offended and not laughing about it much any more.
(Score: 2) by Arik on Thursday December 22 2016, @12:25AM
If laughter is the best medicine, who are the best doctors?