A previously unobserved phenomenon has roiled the interior of one of Greenland's glaciers.
As high tides caused flooding this week, federal legislation was introduced to protect neighborhoods.
Fossil fuels we burn affect warming in the Arctic, and solutions begin with understanding how and how much.
Some of the world’s most vulnerable live in the tropics, where sea rise will cause a sharp rises in floods.
Temperatures were high in the Arctic and well above average in the Eastern U.S., China and Africa.
Northern tundra’s autumn carbon dioxide emissions increased 70 percent between 1975 and 2015.
Over the past 50 years, some of Glacier National Park's namesake glaciers have shrunk by as much as 85 percent.
The frequency of high streamflows has risen over the past 30 years in the Northeast, Ohio Valley, and the Mississippi Valley.