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How Earth’s Climate Changed Over the Past 500 Million Years
3:25
How Earth’s Climate Changed Over the Past 500 Million Years
Learn more about our planet’s Hothouse and Icehouse climates.
This Alaska Community is Losing Sea Ice to Climate Change
4:47
This Alaska Community is Losing Sea Ice to Climate Change
See how one small town’s survival is threatened by climate change.
This Canadian Cave Has Been Frozen Since the Last Ice Age
3:11
This Canadian Cave Has Been Frozen Since the Last Ice Age
Explore this spectacular, icy cave.
The Town Hurricane Harvey Ruined
1:24
The Town Hurricane Harvey Ruined
Rosharon, Texas is a reminder of how a hurricane can cripple a community.
Plant Fossils Hint at Arctic's Swampy Past
3:02
Plant Fossils Hint at Arctic's Swampy Past
Learn more about a lush forest that once dominated the Arctic.
How Carbon Dioxide Warms Planet Earth
2:32
How Carbon Dioxide Warms Planet Earth
Carbon dioxide acts like a heat-trapping blanket, warming our planet.
What’s Causing Greenland’s Biggest Glacier to Melt?
2:04
What’s Causing Greenland’s Biggest Glacier to Melt?
Warming ocean water is eating away at Greenland's glaciers from below.
How Climate Has Shifted Over Millions of Years
2:44
How Climate Has Shifted Over Millions of Years
Lake mud from the Russian Arctic tells us that Earth's climate has oscillated in the past.
How Peregrine Falcons Thrive in Cities
2:56
How Peregrine Falcons Thrive in Cities
This family of peregrine falcons is taking advantage of urban Chicago's resources.
The Volga Trade Route
2:58
The Volga Trade Route
The Vikings may have trekked all the way to Iran in search of crucible steel.
Understanding the Climate Clock
5:06
Understanding the Climate Clock
The climate has changed on a schedule for millennia. Have humans broken the climate clock?
The Looming Satellite Gap
1:51
The Looming Satellite Gap
Many Earth-observing satellites are nearing the end of their lives.
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