Global coral reef bleaching arena is largest connected record, study says - CBS News
New information from nan National Oceanic and Atmospheric Administration has scientists ringing siren bells astir nan wellness of nan world's oceans. Seventy-seven percent of nan world's coral reefs person knowledgeable "bleaching-level power stress" complete nan past 22 months. Derek Manzello, coordinator of NOAA's Coral Reef Watch program, joins CBS News to dive deeper into nan research.