Keith Kloor

Collide-a-Scape

The Geopolitics of Global Warming

Arctic sea ice appears to have reached its maximum extent for the year on March 21, 2021, tied with 2007 as the seventh-lowest in the satellite record. The orange line shows the median ice edge for 1981-2010. (Credit: NSIDC / NASA Earth Observatory.)

2021 Maximum Arctic Sea Ice Extent

The ice has likely reached an "uneventful maximum," but the long-term decline due to human-caused warming continues.

Winter Arctic Sea Ice Peaks at 7th Skimpiest on Record

glacier greenland - shutterstock

Researchers have developed a novel wireless device called Cryoegg to peek into melting glaciers. Recent tests have revealed that it can transmit data through more than 4,000 feet of ice.

This Egglike Gadget May Hold the Secrets Behind Future Sea-Level Rise

ice caps are melting - shutterstock

We’re unlikely to see an iceless planet any time soon. But even modest decreases in ice have big consequences.

The Ice Caps Are Melting. Will They Ever Disappear Completely?

wind chill 

Though often talked about as the "feels like" temperature, wind chill involves a lot more than just how you feel outside.

What Does Wind Chill Mean, Exactly?

plate tectonics - shutterstock

In the early 20th century, one man withstood a lifetime of ridicule to uphold the revolutionary idea that land masses move.

Continental Drift: A Revolutionary Theory That Was Once Considered Pseudoscience

global warming melting the earth - shutterstock

Our planet gets a little warmer every year. But the extent of global warming is still up to us to decide.

The Geopolitics of Global Warming

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