A glacier in Antarctica has calved a vast iceberg measuring more than 100 square miles – and it’s the second huge berg in two years.
Pine Island is one of the largest glaciers in Antarctica, which has seen major ice loss in recent years.
— Stef Lhermitte (@StefLhermitte) September 24, 2017
— Stef Lhermitte (@StefLhermitte) September 23, 2017
Scientist Peter Neff said on Twitter that the calving was a, ‘Major event, not unprecedented, but this glacier is concerning for future sea level rise.’
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Other scientists have suggested that the two recent major calving events (in 2015 and 2017) could offer evidence that something is changing.
More than half of the world’s fresh water is frozen in Antarctica.
Studies have suggested that the West Antarctic Ice Sheet is particularly unstable, and could collapse within the next 100 years.