Scientists uncover ice-age shift in Pacific Ocean circulation

The overturning circulation of the Pacific Ocean "flipped" during the last ice age, altering the placement of ancient waters rich in carbon dioxide, according to Earth system scientists at the University of California, Irvine.

Arctic winter 2022 sea ice found to be 10th-lowest on record

Arctic sea ice appeared to have hit its annual maximum extent on Feb. 25 after growing through the fall and winter. This year's wintertime extent is the 10th-lowest in the satellite record maintained by the National Snow ...

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