Third of Antarctic ice shelves ‘will collapse amid 4C global heating’

More than a third of the vast floating platforms of ice surrounding Antarctica could be at risk of collapsing and releasing “unimaginable amounts” of water into the sea if global temperatures reach 4C above pre-industrial levels, UK scientists say. Researchers from the University of Reading said that limiting the temperature rise to 2C could halve the area at risk and avoid a drastic rise in sea levels. The findings, published in the journal Geophysical Research Letters, suggest that 4C warming could leave 34% of the area of all the Antarctic ice shelves – amounting to about half a million square kilometres – at the risk of collapse….

https://www.theguardian.com/world/2021/apr/08/third-of-antarctic-ice-shelves-will-collapse-amid-4c-global-heating

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