But locating grasses in the world’s vast oceans is a formidable ... The locations of confirmed seagrass meadows around Africa. (Molly O'Halloran for The Washington Post) Researchers with the ...

Men braid grass into rope. Women and children tie ... We sat beneath walls papered with torn magazines displaying images from around the world—baseball games, smiling children, tranquil beaches.

“It’s a major threat to native ecosystems around the world,” says Safford. “There’s a lot of international interest, so if someone could figure out just how to control grass, I think ...