Sargassum blooms: the Atlantic’s algae nightmare

Last summer a record bloom of sargassum seaweed stretched almost 9000km across the entire Atlantic Ocean. It normally plays an important role in helping protect marine life but a drastic increase is now threatening the species it used to support. But what is it? Why is there so much of it? And what’s the big … More Sargassum blooms: the Atlantic’s algae nightmare