A continent-long “brown ribbon” has appeared in the Atlantic off Africa — and scientists say it’s not a good sign - Futura-Sciences

There's a brown streak that has appeared across most of the Atlantic. And this mass is … sargassum! 

The scourge is back and essentially worse than ever. But of course, we merely shrug. 

https://www.futura-sciences.com/en/a-continent-long-brown-ribbon-has-appeared-in-the-atlantic-off-africa-and-scientists-say-its-not-a-good-sign_26008/