Antarctica’s “Doomsday Glacier” could raise sea levels twice as Antarctica’s Thwaites Glacier may be melting twice as much as previously predicted, even without additional global warming.

Antarctica’s “Doomsday Glacier” could raise sea levels twice as Antarctica’s Thwaites Glacier may be melting twice as much as previously predicted, even without additional global warming. Antarctica’s Thwaites Glacier may be melting twice as much as previously predicted, even without additional global warming.