UN Climate Change World Heritage

FILE - This Sept. 10, 2001, file photo shows Agincourt Reef, located about 30 miles off the coast near the northern reaches of the 1,200-mile long Great Barrier Reef. The Great Barrier Reef is facing a critical period of heat stress over the coming weeks following the most widespread coral bleaching the natural wonder has ever endured, scientists said Friday, March 6, 2020.(AP Photo/Randy Bergman, File)