Program in Atmospheres, Oceans, and Climate

A study by Prof. Daniel Rothman shows that there could be enough carbon in the Earth’s oceans by 2100 to trigger a sixth mass extinction, reports Mark Fischetti and Jen Christiansen for Scientific American. 

Researchers from MIT and the University of Washington have found that centuries-old ocean currents have been keeping the Southern Ocean cold, reports Sarah Emerson for Motherboard. The researchers found that “Antarctica’s unique currents and strong westerly winds are constantly dredging up ancient currents from deep beneath the ocean’s surface.”