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Warm Arctic Fuels Second-Warmest April on Record

Temperatures were high in the Arctic and well above average in the Eastern U.S., China and Africa.

Slow-Freezing Alaska Soil Driving Surge in CO2 Emissions

Northern tundra’s autumn carbon dioxide emissions increased 70 percent between 1975 and 2015.

Glacier National Park Is Losing Its Glaciers

Over the past 50 years, some of Glacier National Park's namesake glaciers have shrunk by as much as 85 percent.

High Streamflow is Increasing, Raising Flood Risks

The frequency of high streamflows has risen over the past 30 years in the Northeast, Ohio Valley, and the Mississippi Valley.

Arctic Sea Ice Keeps Scraping the Bottom of the Barrel

The Arctic's astounding transformation continues with another record low month of sea ice.

The Larsen C Ice Shelf Crack Just Sprouted a New Branch

The most-watched ice shelf in the world continues to break apart due to warm air and water.

100 Days of Climate

Over Trump's first 100 days, we're going to show what science tells us about our warming world.

California Got More Snow This Winter Than Past 4 Total

After years of drought, California got blitzed with rain and snow. New data puts the extremes into perspective.

How Trump’s Monuments Review Could Impact Climate

The Trump administration will recommend to Congress ways it can shrink or abolish national monuments.

Climate Change Altering the Arctic Faster Than Expected

Climate change is rapidly pushing the Arctic into a new and less stable state.

Antarctic Surface Melt More Widespread Than Thought

Meltwater ponds and streams are more widespread on Antarctica's surface than was previously thought.

Warming-Driven Glacier Melt Leads to ‘River Piracy’

The global warming-induced retreat of a Canadian glacier caused one river to siphon off another's flow.

Fewer Freezing Nights

The average date of the last spring freeze is shifting earlier in the year, extending the pollen and growing season.

Hey Look, Another Record Low Month for Sea Ice

March saw record low Arctic sea ice, marking the sixth month in a row of record or near-record lows.

Icebergs Are Swarming Shipping Lanes in the Arctic

An unusually large swarm of icebergs is forcing ships to change course in the North Atlantic.

Parts of the Arctic Ocean are Turning Into the Atlantic

Climate change is helping drive warm water into the eastern Arctic Ocean, altering it in unprecedented ways.

Zaria Forman Finds Beauty in the Things We’re Losing

Artist Zaria Forman is making stunning drawings of ice to inspire people to act on climate change.

More Water Flowing in California This Year

More water is flowing this year in California from frequent storms and melting snowpack.

Western Snowpack Up, But Less Likely in the Future

Western snowpack at the end of the the wet season is up this year — but that's less likely in the future.

Thinning Arctic Sea Ice Prompts Algae Bloom Study

Climate change is stirring life in the Arctic Ocean as thinning sea ice lets in more sunlight.