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Glacier sets record for fastest retreat

05:25
Water drips from a section of the melting Grinnell Glacier in Glacier National Park, Montana, on Oct. 19, 2023. (Josh Edelson/AFP via Getty Images)
Water drips from a section of the melting Grinnell Glacier in Glacier National Park, Montana, on Oct. 19, 2023. (Josh Edelson/AFP via Getty Images)

In Antarctica, the Hektoria Glacier set a shocking record in 2023. In just two months, it receded five miles.

Glaciologist Naomi Ochwat led the team that discovered the record retreat. She's with the University of Boulder, Colorado, and joins Scott Tong for more.

This segment aired on November 13, 2025.

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