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☆ Crucial ocean current system could be on course to collapse with catastrophic impacts on global weather
▼ + stars: | 2024-02-09 | by ( Laura Paddison | ) edition.cnn.com time to read: +6 min

This new study provides an “important breakthrough,” said René van Westen, a marine and atmospheric researcher at the University of Utrecht in the Netherlands and study co-author. It’s the first time a collapse has been detectable using these complex models, representing “bad news for the climate system and humanity,” the report says. “But we can at least say that we are heading in the direction of the tipping point under climate change,” van Westen said. The AMOC’s collapse could also cause sea levels to surge by around 1 meter (3.3 feet), van Westen said. “(It) adds significantly to the rising concern about an AMOC collapse in the not too distant future,” he said.

Persons: ”, René van Westen, van Westen, ” van Westen, Stefan Rahmstorf, Rahmstorf, Joel Hirschi, Jeffrey Kargel, Hirschi, “ Organizations: CNN, Northern, University of Utrecht, Southern, Potsdam University, National Oceanography, Planetary Science Institute Locations: Atlantic, Netherlands, Europe, Germany, Arizona

Photos You Should See View All 21 Images“It also depends on the rate of climate change we are inducing as humanity,” van Westen said. The Dutch team simulated 2,200 years of its flow, adding in what human-caused climate change does to it. They found after 1,750 years “an abrupt AMOC collapse,” but so far are unable to translate that simulated timeline to Earth's real future. "This value is getting more negative under climate change,” van Westen said. The world should pay attention to potential AMOC collapse, said Joel Hirschi, division leader at the United Kingdom's National Oceanography Centre.

Persons: ”, Rene van Westen, “, ” van Westen, it's, van Westen, Stefan Rahmstorf, ” Rahmstorf, Tim Lenton, ” Lenton, Wei Cheng, Joel Hirschi, ” Hirschi, ” ___ Read, Seth Borenstein Organizations: Southern, Utrecht University, United Nations, Earth Systems, Potsdam Institute, Climate Research, ” University of Exeter, National Oceanic, Atmospheric Administration, NASA, Pacific, U.S ., United, National Oceanography, Associated Press Locations: Europe, Netherlands, Germany, Greenland, Americas, Africa, Florida, U.S, U.S . East Coast, AP.org

☆ Atlantic Ocean currents may be on the verge of collapse, which could plunge Europe into a deep freeze, a new study shows
▼ + stars: | 2024-02-09 | by ( Seth Borenstein | Associated Press | ) www.businessinsider.com time to read: +7 min

“It also depends on the rate of climate change we are inducing as humanity,” van Westen said. AdvertisementThe Dutch team simulated 2,200 years of its flow, adding in what human-caused climate change does to it. They found after 1,750 years “an abrupt AMOC collapse,” but so far are unable to translate that simulated timeline to Earth's real future. "This value is getting more negative under climate change,” van Westen said. The world should pay attention to potential AMOC collapse, said Joel Hirschi, division leader at the United Kingdom's National Oceanography Centre.

Persons: ”, Rene van Westen, “, Bob Edme, ” van Westen, it's, van Westen, Stefan Rahmstorf, ” Rahmstorf, Tim Lenton, Thwaites, ” Lenton, Wei Cheng, Joel Hirschi, ” Hirschi, ” ___ Read Organizations: Service, Southern, Utrecht University, AP, United Nations, Earth Systems, Potsdam Institute, Climate Research, University, Exeter, NASA, National Oceanic, Atmospheric Administration, Pacific, U.S ., United, National Oceanography Locations: Europe, Northwestern, Netherlands, Germany, Greenland, Americas, Africa, Florida, U.S, U.S . East Coast

☆ Atlantic Ocean circulation is heading for a collapse around mid-century, scientists report
▼ + stars: | 2023-07-25 | by ( Laura Paddison | ) edition.cnn.com time to read: +5 min

The AMOC is a complex tangle of currents that works like a giant global conveyor belt. It transports warm water from the tropics toward the North Atlantic, where the water cools, becomes saltier and sinks deep into the ocean, before spreading southwards. The likeliest point of collapse is somewhere between 2039 and 2070, Ditlevsen said. Warming oceans and melting ice threaten to desatbilize a crucial system of ocean currents in the Atlantic. “The key point of this study is that we don’t have much time at all to do this,” de Menocal said.

Persons: ”, Peter de Menocal, Peter Ditlevsen, Ditlevsen, “, Drew Angerer, Menocal, It’s, haven’t, ” de Menocal, Stefan Rahmstorf Organizations: CNN, Oceanographic Institution, University of Copenhagen, Atlantic, University of Potsdam Locations: Europe, Greenland, Cove, Newfoundland, Canada, Germany

☆ Exxon predicted global warming with remarkable accuracy years ago, study shows
▼ + stars: | 2023-01-12 | by ( Catherine Clifford | In Catclifford | ) www.cnbc.com time to read: +4 min

"We now have airtight, unimpeachable evidence that ExxonMobil accurately predicted global warming years before it turned around and publicly attacked climate science and scientists. Our findings show that ExxonMobil's public denial of climate science contradicted its own scientists' data," Supran told CNBC. They were surprised to discover is the extent and accuracy of Exxon's knowledge of climate science. That gave me pause, seeing quantitatively that Exxon didn't just know some climate science, they helped advance it," Supran told CNBC. "They didn't just vaguely know 'something' about global warming decades ago, they knew as much as independent academic and government scientists did.

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