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Is Permafrost the Climate Tipping Point of No Return?

Season 3 Episode 12 | 11m 49s

Arctic air is warming, causing scientists to worry that melting arctic ice and snow could also lead to a sudden permafrost thaw and release of carbon dioxide (CO2) and methane (CH4) that forms a climate tipping point or feedback loop. And the trigger temperature may be coming much sooner than expected.

Aired: 02/13/23
Extras
Tornado Alley is shifting — and the new one is deadlier. Here's why.
Why is the Guadalupe River America's deadliest? Science, "Rain Bombs," and Flash Flood Alley.
Something unexpected is changing Antarctica and scientists finally know why.
What if Earth crossed a climate tipping point like Venus once did?
Weathered investigates why civilizations collapse during climate shocks—and how we can avoid it.
Understanding the climate endgame isn’t pessimism. It’s risk management.
Check out this preview of Weathered: After the LA Firestorm, coming to PBS January 7th.
Maiya breaks down new research showing the impacts of accelerated sea level rise.
Maiya explores the giants of Earth’s volcanic past: the Large Igneous Provinces (LIPs).
Maiya May talks with scientist Tim Lenton about Earth systems at risk of crossing tipping points.
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Tornado Alley is shifting — and the new one is deadlier. Here's why.
Why is the Guadalupe River America's deadliest? Science, "Rain Bombs," and Flash Flood Alley.
Something unexpected is changing Antarctica and scientists finally know why.
What if Earth crossed a climate tipping point like Venus once did?
Weathered investigates why civilizations collapse during climate shocks—and how we can avoid it.
Understanding the climate endgame isn’t pessimism. It’s risk management.
Nearly a year after the devastating Los Angeles fires, Maiya May returns to document the recovery.
Maiya breaks down new research showing the impacts of accelerated sea level rise.
Maiya explores the giants of Earth’s volcanic past: the Large Igneous Provinces (LIPs).
Maiya May talks with scientist Tim Lenton about Earth systems at risk of crossing tipping points.