Climate Change

The U.S. Coast Guard Cutter Healy encountered only small patches of sea ice in the Chukchi Sea when this...
Although Arctic sea ice extent as of June 2013 falls within the normal range, sea ice overall is still declining...
Permafrost thaw causes the ground to become unstable as the soil collapses. This can damage building and roads...

As higher temperatures create more temperate environments across parts of the Arctic, vegetation is...

The central and southwestern portions of the United States have experienced drought for the past several years...

During the short austral summer, much of the sea ice surrounding Antarctica melts, often leaving only the...

Sea ice extent reached a new record low on August 27, 2012 and continued to decline. The last six years have...

Bubbling methane melted a hole in the ice of this otherwise frozen lake in the Brooks Range,...

On July 20, 2011, the U.S. Coast Guard Cutter Healy traveled through a break in the sea ice and melt ponds in...

In February, polar climate researchers gathered at the National Center for Atmospheric Research in Boulder, Colorado to discuss the newest updates to models of...

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