A new synthesis published in Nature suggests that thawing Arctic permafrost will release greenhouse gases gradually, rather than in a sudden "bomb". The gradual rate of these natural emissions may give society more time to adapt to their effects, but they remain a challenge for climate mitigation .
PostedDec 9, 2013
Oceans, Physical Climate, Modeling, Arctic, Extreme Events
US CLIVAR ( Climate Variability and Predictability Program) has released a new Science Plan outlining its research goals and strategies for the next 15 years.
PostedJun 12, 2013
Physical Climate, Modeling, Carbon Cycle, Arctic
NASA's Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) is probing deep into the frozen lands above the Arctic Circle in Alaska to measure emissions of the greenhouse gases carbon dioxide and methane from thawing permafrost signals that may hold a key to Earth's climate future.
PostedJul 25, 2012
Observations, International, Arctic
For several days this month, Greenland's surface ice cover melted over a larger area than at any time in more than 30 years of satellite observations.
PostedMar 19, 2012
Oceans, Observations, Arctic
A new NASA study shows that the average thickness of sea ice in the Arctic is on the decline.