Australia's Great Barrier Reef was hit by massive bleaching in 2016 affecting nearly a third of coral cover, with more minor bleaching last year.

High sea temperatures across the Pacific Ocean this summer have scientists worried about the possibility of another mass coral bleaching event.

Read more here: https://www.abc.net.au/news/2018-12-14/coral-bleaching-nt-coast-sea-surf...

For more from ABC News, click here: http://www.abc.net.au/news/

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