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ENVIRONMENT

The Collapse of an Atlantic Ocean Current Would Ripple Across The World, Says Study

MATTHEW ENGLAND ET AL., THE CONVERSATION

13 JUNE 2022

Climate changeisslowing downthe conveyor belt of ocean currents that brings warm water from the tropics up to the North Atlantic.

Our research, published today (June 6) inNature Climate Change, looks at the profound consequences to global climate if this Atlantic conveyor collapses entirely.

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We found the collapse of this system – called the Atlantic meridional overturning circulation – would shift the Earth’s climate to a more La Niña-like state.

This would mean more flooding rains over eastern Australia and worse droughts and bushfire seasons over southwest United States.

East-coast Australians know what unrelenting La Niña feels like. Climate change has loaded our atmosphere with moister air, whiletwo summers of La…