Thwaites Glacier has lost 595 billion tons of ice since the 1980s. If it collapses completely it could take the rest of the West Antarctic Ice sheet with it, causing a ten-foot rise in global sea levels.
Antarctica's 'Doomsday Glacier' close to tipping point, unmanned sub reveals : Read more
Antarctica's 'Doomsday Glacier' close to tipping point, unmanned sub reveals : Read more