AdvertisementCoral levels in some parts of the Great Barrier Reef are at the highest in 36 yearsAugust 04, 2022Ayana ArchiefacebookEmailThis photo supplied by the Great Barrier Reef Marine Park Authority (GBRMPA) shows diseased corals at a reef in the Cairns/Cooktown on the Great Barrier Reef in Australia, April 27, 2017. (AP)