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Refreezing Arctic Sea Ice

Season 2026 Episode 2 | 3m 58s

As Arctic sea ice retreats, the startup Real Ice is testing a bold idea in Nunavut, Canada: pump seawater onto the ice so it refreezes, layer by layer. From December to February, the team hauls pumps out each morning and back each night before they freeze in. After weeks of flooding, the ice reaches up to 130 cm, and Inuit guide Pamela Nakashook says she has hope it could solve a lot of problems.

Extras
Get ready for the all-new season, coming January 17, 2027 at 9/8c.
The cast play a game of "What's in the vet bag?" with sentimental props from the series.
Celebrate the legacy of Gene Wilder, the actor behind Willy Wonka and Young Frankenstein.
Explore the site of the Battle of Camden and its importance to the American Revolution.
Scientists race to save the historic island on the Chesapeake Bay from rising sea levels.
Tangier Island's lawns are turning into marshes. Can oyster reefs help?
The search for a sunken fort uncovers a powerful freedom story.
Jimmy Webb, Vince Gill, Lyle Lovett and Ashley Campbell perform "Highwayman."
Sheléa performs "MacArthur Park" in this retrospective concert for Jimmy Webb.
Following tigers after dark reveals surprise encounters and a hidden world of family life.
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