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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
Get ready for the all-new season, coming January 17, 2027 at 9/8c.
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Celebrate the legacy of Gene Wilder, the actor behind Willy Wonka and Young Frankenstein.
Scientists race to save the historic island on the Chesapeake Bay from rising sea levels.
Jimmy Webb, Vince Gill, Lyle Lovett and Ashley Campbell perform "Highwayman."
Sheléa performs "MacArthur Park" in this retrospective concert for Jimmy Webb.
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