Vox: Coral reefs in the Caribbean are on track to "virtually disappear within a few decades," a major new report warns. But there's also a way to slow decline. Protecting just a single fish -- the brightly colored parrotfish -- could help save the reefs from doom.
There's little doubt that the Caribbean's coral reefs have declined sharply since the 1970s, under heavy stress from invasive pathogens, overfishing, coastal pollution, tourism, and now global warming that's heating up the oceans.
It's...