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It’s June. California Is Still Covered in Snow

The Sierra Nevada continues to sport a deep snowpack after an epic winter.

The Larsen C Iceberg Is on the Brink of Breaking Off

The crack that's been cutting into Antarctica's Larsen C ice shelf is about to create a huge iceberg.

Waves Rippled Through Greenland’s Ice. That’s Ominous

A previously unobserved phenomenon has roiled the interior of one of Greenland's glaciers.

Bipartisan Bill Introduced to Fix Neighborhood Floods

As high tides caused flooding this week, federal legislation was introduced to protect neighborhoods.

The Race to Understand Black Carbon’s Climate Impact

Fossil fuels we burn affect warming in the Arctic, and solutions begin with understanding how and how much.

Sharp Rise in Flooding Ahead for World’s Poorest

Some of the world’s most vulnerable live in the tropics, where sea rise will cause a sharp rises in floods.

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.