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Home | Features | Antarctica Headed For A Climate Tipping Point By 2060

Antarctica headed for a climate tipping point by 2060

Scientists have long known that the Antarctic ice sheet has physical tipping points, beyond which ice loss can accelerate out of control.

By PTI
Published Date - 03:05 PM, Tue - 18 May 21
Antarctica headed for a climate tipping point by 2060
Scientists have long known that the Antarctic ice sheet has physical tipping points, beyond which ice loss can accelerate out of control.
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Madison: New research shows it is Antarctica that may force a reckoning between the choices countries make today about greenhouse gas emissions and the future survival of their coastlines and coastal cities, from New York to Shanghai.

That reckoning may come much sooner than people realise. The Arctic is losing ice as global temperatures rise, and that is directly affecting lives and triggering feedback loops that fuel more warming. But the big wild card for sea level rise is Antarctica.

It holds enough land ice to raise global sea levels by more than 200 feet – roughly 10 times the amount in the Greenland ice sheet – and we’re already seeing signs of trouble.

Scientists have long known that the Antarctic ice sheet has physical tipping points, beyond which ice loss can accelerate out of control.

The new study, published in the journal Nature, finds that the Antarctica ice sheet could reach a critical tipping point in a few decades, when today’s elementary school kids are raising their families.

If emissions continue at their current pace, by about 2060 the Antarctic ice sheet will have crossed a critical threshold.

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