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.
The Arctic's astounding transformation continues with another record low month of sea ice.
The most-watched ice shelf in the world continues to break apart due to warm air and water.
Over Trump's first 100 days, we're going to show what science tells us about our warming world.
After years of drought, California got blitzed with rain and snow. New data puts the extremes into perspective.
The Trump administration will recommend to Congress ways it can shrink or abolish national monuments.
Climate change is rapidly pushing the Arctic into a new and less stable state.
Meltwater ponds and streams are more widespread on Antarctica's surface than was previously thought.
The global warming-induced retreat of a Canadian glacier caused one river to siphon off another's flow.
The average date of the last spring freeze is shifting earlier in the year, extending the pollen and growing season.
March saw record low Arctic sea ice, marking the sixth month in a row of record or near-record lows.
An unusually large swarm of icebergs is forcing ships to change course in the North Atlantic.
Climate change is helping drive warm water into the eastern Arctic Ocean, altering it in unprecedented ways.
Artist Zaria Forman is making stunning drawings of ice to inspire people to act on climate change.
More water is flowing this year in California from frequent storms and melting snowpack.
Western snowpack at the end of the the wet season is up this year — but that's less likely in the future.
Climate change is stirring life in the Arctic Ocean as thinning sea ice lets in more sunlight.