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Small-to-mid-level changes in airborne CO2 may have been profoundly influential in ice ages past scienceblog.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scienceblog.com Daily Mail and Mail on Sunday newspapers.
CO2 lags temperature - what does it mean? skepticalscience.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from skepticalscience.com Daily Mail and Mail on Sunday newspapers.
NOVA “POLAR EXTREMES” A One-Night, Two-Hour Special Hosted by Kirk Johnson Airs Wednesday, June 15 2022 on PBS NOVA Takes Audiences Back in Time and Across the Globe to Uncover the Secrets ....
Massachusetts Institute of Technology Nearly one quarter of the land in the Northern Hemisphere, amounting to some 9 million square miles, is layered with permafrost – soil, sediment, and rocks that are frozen solid for years at a time. Vast stretches of permafrost can be found in Alaska, Siberia, and the Canadian Arctic, where persistently freezing temperatures have kept carbon, in the form of decayed bits of plants and animals, locked in the ground. Scientists estimate that more than 1,400 gigatons of carbon is trapped in the Earth’s permafrost. As global temperatures climb, and permafrost thaws, this frozen reservoir could potentially escape into the atmosphere as carbon dioxide and methane, significantly amplifying climate change. However, little is known about permafrost’s stability, today or in the past. ....