From Climate Progress and Skeptical Science, March 23, 2010
New study of Greenland under “more realistic forcings” concludes “collapse of the ice-sheet was found to occur between 400 and 560 ppm” of CO2
A new study has lowered the carbon pollution threshold or “tipping point” for collapse of the Greenland ice sheet to 400 to 560 ppm. We’re currently at about 390 parts per million atmospheric concentrations of CO2, rising about 2 ppm a year (and yes, total collapse would take a while).
The Original Article
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Tuesday, March 23, 2010
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