Greenland ice sheet on brink of major tipping point, says study

Scientists say ice equivalent to 1-2 metres of sea level rise is probably already doomed to melt

A significant part of the Greenland ice sheet is on the brink of a tipping point, after which accelerated melting would become inevitable even if global heating was halted, according to new research.

Rising temperatures caused by the climate crisis have already seen trillions of tonnes of Greenland’s ice pour into the ocean. Melting its ice sheet completely would eventually raise global sea level by 7 metres.

Related: Greenland’s ice melting faster than at any time in past 12,000 years

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