tipping point

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Climate simulation raises alarm over potential ocean circulation collapse

A recent study by René van Westen showcases how melting Arctic freshwater could disrupt the Atlantic Ocean's circulation, potentially leading to abrupt climate changes.

Sarah Kaplan reports for The Washington Post.

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Photo by Cassie Matias on Unsplash

Climate change: Southern Ocean’s shrunken sea ice has entered ‘new state’

Warming waters have pushed Antarctica’s shrunken sea ice into a “new state”, scientists report, following a freakish season that left the Southern Ocean missing more than a million square kilometres of its normal cover.

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Arno Kopecky: Climate’s tipping point lies in energy production

Arno Kopecky argues in The Narwhal that renewable energy has achieved critical mass, but the oil and gas industry has us staying a dangerous course amid climate change.

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Arctic ice 'irreversible’ thinning

Arctic ice has seen an 'irreversible’ thinning since 2007, study says

New research suggests the decline was a fundamental change unlikely to be reversed this century — perhaps proof the planet has passed an alarming climactic tipping point.
A warming Siberia, wracked by wildfires, nears a crucial threshold

A warming Siberia, wracked by wildfires, nears a crucial threshold

Nearly 23 million acres burned from 1982 to 2020. But almost half of that occurred in 2019 and 2020, and the region may be near a threshold beyond which extreme fires become more common.
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World is not going to avoid 1.5C global warming 'tipping point', researchers warn

Two scientists have reviewed data around global warming, and concluded that the battle to limit global warming to 1.5 Celsius by 2050 is doomed.
Oregon’s intertidal ecosystem at a tipping point

Oregon’s intertidal ecosystem is approaching a tipping point

Ecologists are already finding the warning signs—hopefully it’s not too late.