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 .
PostedMay 2, 2012
Ecosystems & Biodiversity
Data collected from long distance swims by polar bears suggest that they do not stop to rest during their journey.
PostedMar 27, 2012
A new study by USGS scientists and university researchers reveals that a substantial amount of organic carbon on Alaskan glaciers comes from atmospheric deposition of fossil fuel emissions.
PostedFeb 3, 2012
Last week, the Interior Department's US Geological Survey (USGS) released details about a landmark airborne survey of permafrost in the Yukon Flats of Alaska that yielded some of the most detailed, data-rich maps of permafrost ever generated.
PostedSep 23, 2010
On September 23, 2010, Secretary of the Interior Ken Salazar announced the locations selected for the Department of the Interior's Southeast and Northwest regional Climate Science Centers (CSC) and the finalization of a cooperative agreement for the Alaska Climate Science Center, which opened on Sept. 1 in Anchorage.