January 10, 2017

In 2016, daily temperatures in Alaska that were warmer than average outnumbered those that were cooler than average by a 9 to 1 ratio.

Sea ice anomaly, November 2016
December 14, 2016

A black swan event is a situation so rare that few people would have imagined it was possible. In November 2016, researchers were caught off guard by just such an event: extremely low sea ice extents in both the Arctic and Antarctic.

September 16, 2016

The Northwest Passage across the Canadian Arctic opened once again in 2016 as sea ice reached its second lowest extent on record.

2016 Arctic sea ice minimum extent overlain on globe
September 15, 2016

In September 2016, Arctic sea ice tied with 2007 for the second-lowest minimum extent in the satellite record, underscoring an ongoing trend of sea ice decline.

August 2, 2016

In the 2015 edition of the State of the Climate report, climate and biology experts wrote about some dramatic impacts of warming on life in the ocean.

August 2, 2016

The author of the glacier chapter of the 2015 State of the Climate report and his daughter talk about how family connections brought them together scientifically, and how science keeps bringing their family together.

May 18, 2016

One reason the Fort McMurray area was at high risk for an early-season forest fire was that April snow cover was well below average in much of western North America.

April 28, 2016

Every summer, Greenland's ice sheet melts when temperatures warm up. This year, however, saw the start of the ice melt season begin in April, much earlier than normal. 

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