Scientist Neal Cantin flew a plane over the Great Barrier Reef for Australia's Institute of Marine Science "For the first time ever we've documented very high levels of bleaching in all three areas of the Great Barrier Reef Marine Park," Dr Cantin says. With the heat affecting more than half the world's coral including in Australia's Great Barrier Reef, and in coastlines in Tanzania, Mauritius, Brazil, Pacific islands, as well as in the Red Sea and Persian Gulf.
Learn more by visiting BBC news to read article by By Georgina Rannard, BBC climate reporter
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