We need to take action to stop rising sea temperatures from global warming right now if we have any hope of preventing mass coral bleaching in the future, according to a group of Australian scientists. The researchers warn it is "unlikely" the reef will ever recover from a 2016 bleaching event affecting over 90 per cent of the reef.
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A team of marine biologists from the University of Technology Sydney and Macquarie University provided the first evidence of bleaching in Sydney Harbour's unique temperate corals last April.
Since then the scientists have recorded widespread recovery, suggesting that Sydney's corals can survive higher than normal temperatures, so long as the environmental stress is brief.