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Drop yourself into a modern-day swamp, and that's what the ancient Arctic looked like.
2:32
Carbon dioxide acts like a heat-trapping blanket, warming our planet.
1:49
Researchers try to prove the existence of a 13th century volcanic eruption using ice.
2:06
What started out as a tropical storm evolved into one of New York City’s worst nightmares.
5:06
The climate has changed on a schedule for millennia. Have humans broken the climate clock?
3:21
Scientists dig up ancient clams from the ocean 90 miles from the nearest beach.
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Warming ocean water is eating away at Greenland's glaciers from below.
3:25
Learn more about our planet’s Hothouse and Icehouse climates.
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Our next door neighbor is most like Earth in terms of size and mass.
3:18
This Lumberton, Texas resident witnessed the destruction of Hurricane Harvey.
