For the first time, a major Southern Ocean current reverses direction, signaling a serious risk to the global climate system
The first sign was a line on a screen—thin, blue, almost shy. Then, over the course of a few days, it bent. Dipped. And finally, it flipped. In a dim control room carved out of an ice-bright world, a small team of oceanographers watched a Southern Ocean current, one that had flowed stubbornly in the … Read more