'Huge' coral bleaching unfolding across the Americas prompts fears of global tragedy

Scientists stunned by unprecedented heat-stress event say they can only hope it 'motivates and unites people'Follow our Australia news live blog for latest updatesGet our morning and afternoon news emails, free app or daily news podcastCorals across several countries are bleaching and dying en masse from unprecedented levels of heat stress, prompting fears that an unfolding tragedy in Central America, North America and the Caribbean could become a global event.US government scientists have confirmed reefs in Panama, Colombia, El Salvador, Costa Rica, Mexico and six countries in the Caribbean, including the Bahamas and Cuba, are suffering significant bleaching, alongside corals in Florida that began turning white almost a month ago.Sign up for Guardian Australia's free morning and afternoon email newsletters for your daily news roundup Continue reading...