Scientists fear potential devastating consequences for natural wonder in a matter of weeks.
Professor Hughes said bleaching could have devastating consequences for the World Heritage-listed marine park.wiped out half of all shallow-water coral"If we get bleaching in the northern parts again this year certainly there won't have been enough time for those reefs that were previously bleached a couple of years ago won't have had time to recover," Ms Hughes said.
"Unfortunately we are a whisker away from bleaching disaster yet again because of global warming driven marine heatwaves," campaigner Shani Tager said. "As underwater heatwaves threaten once again to cook our corals, our politicians must move beyond half-baked plans to tackle global warming."
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