Arctic sea ice

We’ve all heard it: Arctic sea ice is melting. Sea ice is thinner year to year and there is less of it. In 2007, scientists observed a nearly 50 percent loss of summer ice as compared to 1980....

Although Arctic sea ice extent did not set a low record this year, it’s still clear that there is less sea ice than there used to be. Scientists are keeping a close eye not only on the dwindling ice...
This image is derived from the Scanning Multichannel Microwave Radiometer (SMMR), and shows Arctic Ocean sea...
Most people picture the Arctic Ocean as miles upon miles of thick sea ice. This icy expanse has become threatened as Arctic sea ice shifts from mainly old ice to much younger, thinner ice. How does...
After a cool Arctic summer, sea ice at the North Pole has recovered somewhat from last year’s record low extent. While this is a welcome pause in the downward trend of sea ice extent, some are taking...
This satellite image of the Great Arctic Cyclone was taken on August 7, 2012 when the center of...
The U.S. Coast Guard Cutter Healy encountered only small patches of sea ice in the Chukchi...
Although Arctic sea ice extent as of June 2013 falls within the normal range, sea ice overall is...
As the Arctic Ocean becomes increasingly ice-free, many countries are eager to tap into previously inaccessible northern resources. Energy companies seek drilling permits for oil and natural gas, and...
This graph shows the yearly trend toward later Arctic sea ice minimum dates, but also...

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