Here Are 30 Billion Reasons Why Bleached Coral Reefs Matter

Climate change has bleached coral reefs around the world—which could destroy fisheries, tank tourism and cost $30billion a year

Oct 09, 2015 at 11:53 AM ET

Coral reefs are dying. For just the third time in recorded history, our oceans are experiencing a global coral bleaching event, as colorful algae flee the troubled reef, leaving behind nothing but the bone-white skeleton of pale, sickly coral. Coral reefs cover less than one tenth of one percent of the ocean floor, but they are home to thousands of fish species, and their loss could cost coastal cities billions of dollars. Here’s why coral bleaching matters: