'Doomsday glacier,' which could raise sea level by several feet, is holding on 'by its fingernails,' scientists say

Antarctica's so-called "doomsday glacier" -- nicknamed because of its high risk of collapse and threat to global sea level -- has the potential to rapidly retreat in the coming years, scientists say, amplifying concerns over the extreme sea level rise that would accompany its potential demise.

'Doomsday glacier,' which could raise sea level by several feet, is holding on 'by its fingernails,' scientists say
Antarctica's so-called "doomsday glacier" -- nicknamed because of its high risk of collapse and threat to global sea level -- has the potential to rapidly retreat in the coming years, scientists say, amplifying concerns over the extreme sea level rise that would accompany its potential demise.

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