A combination of factors came together to trigger the widespread bleaching of corals in Australia's Great Barrier Reef in 2016. In a new study, scientists in Australia and Belgium detailed the "perfect storm" of oceanic conditions.

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A combination of factors came together to trigger the widespread bleaching of corals in Australia's Great Barrier Reef in 2016. In a new study, scientists in Australia and Belgium detailed the "perfect storm" of oceanic conditions.