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Politics : View from the Center and Left -- Ignore unavailable to you. Want to Upgrade?

To: T L Comiskey who wrote (213428)	1/1/2013 6:47:31 PM
From: T L Comiskey	Read Replies (1) \| Respond to of 541370

From Wharf Methane........ Sea level... and Things... that go bump in the night........................................... Is Climate Change causing an exponential rate of Ice sheet Mass Loss, sea level rise? by Takver - Climate IMC Monday Dec 31st, 2012 2:21 AM Climate scientist James Hansen and his colleague Makiko Sato have released a new discussion paper with updated data on ice sheet mass loss from Greenland and Antarctica, with implications for possible multi-metre sea level rise this century. It makes for some interesting reading. indybay.org There are signs of permafrost thaw and perhaps the start of destabilisation of methane hydrates in ocean sediments which are also important climate feedback mechanisms enhancing global warming in the Arctic. Methane is a very strong greenhouse gas 21 to 25 times as strong as carbon dioxide over a 100 year period. But for a shorter period under 20 years it can be 100 times the strength of CO2. A really powerful feedback mechanism in the short-term.