One of the biggest icebergs ever just broke off Antarctica
Clip: 07/12/2017 | 8m 26s | Video has closed captioning.
A huge iceberg -- twice as large as Lake Erie -- has broken away from a the Larsen C ice shelf in Antarctica, an event that researchers have been anticipating for months. Science correspondent Miles O'Brien joins Judy Woodruff to discuss whether it’s linked to climate change and what it means for sea-level rise.
Problems Playing Video? | Closed Captioning