News tagged with arctic

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Why seas are rising ahead of predictions

Sea levels are rising faster than expected from global warming, and University of Colorado geologist Bill Hay has a good idea why. The last official IPCC report in 2007 projected a global sea level rise between ...

Nov 01, 2012 3.8 / 5 (20) 24

Not-so-permanent permafrost

As much as 44 billion tons of nitrogen and 850 billion tons of carbon stored in arctic permafrost, or frozen ground, could be released into the environment as the region begins to thaw over the next century as a result of ...

Oct 29, 2012 4 / 5 (16) 15 | with audio podcast

Storing carbon in the Arctic

For the past three decades, as the climate has warmed, the massive plates of sea ice in the Arctic Ocean have shrunk: In 2007, scientists observed nearly 50 percent less summer ice than had been seen in 1980.

Dec 04, 2013 3.6 / 5 (18) 8 | with audio podcast