West Antarctica's "Doomsday Glacier" is on the brink of losing its ice shelf, further compromising the already melting ice mass and threatening to unleash devastating sea-level rises.
Researchers have warned that the Thwaites Glacier, one of the largest glaciers in the world, is about to lose its eastern ice shelf. We spoke to marine geophysicist Robert Larter about what this means for the "Doomsday Glacier."