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Arctic Sea Ice Sets Record-Low Peak for Third Year

Winter Arctic sea ice set a record low for the third year in a row, a mark of the effects of global warming.

Climate Change is on Pace to Kill an Ice Age Remnant

Humans are in the process of changing the planet in a way that hasn’t happened in 2.6 million years.

100 Days of Climate: Week 9

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

Arctic Sea Ice May Vanish Even With Climate Goal

Arctic sea ice may vanish in summers even if the world reaches goals set by Paris climate agreement.

Arctic Sea Ice Continues Its Astonishing Streak of Lows

February marked another month with record low Arctic sea ice, driven by extremely mild weather.

Aerosol Study Targets Great Unknown in Climate Science

Australian scientists seek to understand how non-carbon aerosolized particles affect global temperatures.

Scientists Got a New Look at the Growing Larsen C Crack

New footage shows that the Larsen C ice shelf rift continues to expand, raising the odds of a calving event.

Antarctica Just Shed a Manhattan-Sized Chunk of Ice

Pine Island Glacier just lost a Manhattan-sized iceberg. Scientists are calling it "an aftershock."

Sea Ice Hits Record Lows at Both Poles

Warm weather could send Arctic sea ice to a record low winter peak as Antarctic sea ice sets an all-time record low.

The Shum Show: Early Romance

If you're looking for romantic news this Valentine's Day, climate change has you covered.

More Snowfall Records, More Recently

In parts of the U.S., heavy snow records are being set, even in a warming world.

Snow Cover on the Decline in North America

Snow cover in North America is on the decline in part due to climate change.

Snowfall Totals Are Changing Across the U.S.

See how snowfall is trending in these U.S. cities.

Fewer Days Below 32°F

Parts of the U.S. may see 90 percent fewer days mid-century with average temps below 32°F.

Global Warming Threatens Winter Sports

Warmer winters have consequences, including for our winter fun.

Scientists Are Reminding the World That Science Matters

On the day of Trump's inauguration, scientists are tweeting why science matters more than ever.

Barack Obama Has Been Immortalized By Scientists

A climate monitoring site in Antarctica bears President Obama's name and bears witness to climate change.

Warm Air Invades Arctic Again, Slowing Sea Ice Growth

Another bout of warm, stormy weather has hit the Arctic, sending temperatures rising and slowing sea ice growth.

Large Iceberg Poised to Break Off From Antarctica

A rift across Antarctica's Larsen C ice shelf has surged ahead, making the release of a large iceberg imminent.

Winter Warming Trends in the U.S.

See the trend in winter high temperatures across the U.S.

Gallery

A Hurricane Season With Supersized and Shrunken Storms The contrast between gigantic Hurricane Igor and tiny Hurricane Paula.

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