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This Blog is designed to be a Diary of Events illustrating Global Climate Change, and where it will lead.

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Tuesday, March 23, 2010

Greenland Might be Reaching Tipping Point

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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