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Petermann Glacier, one of Greenland’s largest glaciers that ends at the ocean, is thinning, retreating, and its flow is accelerating.

These satellite images show the glacier in August 2002 (left) and 2022 (right). https://go.nasa.gov/43bj6ra
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Retreat at Petermann Glacier

Decades of retreat are visible from above, but harder-to-see changes below the waterline could also affect this iconic glacier’s future.
go.nasa.gov
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