jm + arctic   1

Loss of Arctic's Reflective Sea Ice Will Advance Global Warming by 25 Years
“Losing the reflective power of Arctic sea ice will lead to warming equivalent to one trillion tons of CO2 and advance the 2ºC threshold by 25 years. Any rational policy would make preventing this a top climate priority for world leaders,” said Ramanathan, a professor of atmospheric and climate sciences at Scripps. [....]

Computer forecast models are actually underestimating the extent of this trend.  “We analyzed 40 climate models from modeling centers around the world,” said Eisenman, a professor of climate, atmospheric science, and physical oceanography at Scripps. “Not a single one of the models simulated as much Arctic sea ice retreat per degree of global warming as has been observed during recent decades.”
arctic  climate-change  climate  global-warming  fear  ice  earth 
22 days ago by jm

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