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A Hidden Antarctic Tipping Point May Have Just Been Triggered

Season 7 Episode 9 | 11m 05s

Something unexpected and potentially irreversible is changing Antarctica and scientists finally know why. Over the past few decades, researchers have tracked the mysterious growth and sharp decline in sea ice in Antarctica. But a few years ago a troubling discovery was made that could upend global ocean circulation and change our planet’s climate forever.

Aired: 03/18/26
Extras
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.
Hurricanes are intensifying faster than ever before. What will hurricanes of the future look like?
This hidden toll uncovers what exactly is causing millions of “invisible deaths” in the Southeast.
What does this study means for our future?
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  • Weathered Season 1
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.
Hurricanes are intensifying faster than ever before. What will hurricanes of the future look like?
This hidden toll uncovers what exactly is causing millions of “invisible deaths” in the Southeast.
What does this study means for our future?