PBS NewsHour

How scientists are tracking a massive iceberg in the making

Clip: 03/08/2017 | 5m 55s

Antarctica's Larsen Ice Shelf is disappearing section by section. A fast-growing rift, one of the largest ever seen, is now teetering on the edge of breaking away from the glacier. Science correspondent Miles O’Brien explores how scientists have tracked the steady loss of ice.

Aired: 03/08/17

Rating: NR

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