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West Antarctic Ice Sheet
a) Scientists have known for over a decade that the West Antarctic Ice Sheet has been losing mass and contributing to sea level rise.
b) Despite its huge size and importance, conflicting results have been published on the recent behaviour of the East Antarctic Ice Sheet.
c) Its eastern neighbour is, however, ten times larger and has the potential to raise global sea level by some 50 metres.
d) A study led by a group of NASA scientists, that was published in 2015, suggested that this part of Antarctica was gaining so much mass that it compensated for the losses in the west.