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Posted
Apr 12, 2015
Physical Climate

From Thawing Permafrost, Slow but Steady Emissions Likely

Thawing permafrost releases greenhouse gases into the atmosphere
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.
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Posted
Jul 30, 2013
Physical Climate

New Reports Explore How A Shifting Climate May Impact Eight U.S. Regions

The United States will be a much hotter place, precipitation patterns will shift, and climate extremes will increase by the end of the 21st century, according to reports released in January 2013 by the National Oceanic and Atmospheric Administration (NOAA) in support of the National Climate Assessment (NCA).
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Posted
Jun 1, 2012
Physical Climate

Carbon Dioxide Levels Reach Milestone at Arctic Sites

The concentration of carbon dioxide in the atmosphere of Barrow, Alaska, reached 400 parts per million (ppm) this spring, according to NOAA measurements, the first time a monthly average measurement for the greenhouse gas attained the 400 ppm mark in a remote location.
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Posted
Feb 3, 2012
Observations

Alaskan Permafrost Mapped from the Skies

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.
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Posted
Sep 23, 2010
Adaptation

New Locations for Climate Science Centers Announced

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.
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