Coral reef bleaching 'the new normal' and a fatal threat to ecosystems - Study of 100 tropical reef locations finds time between bleaching events has shrunk and is too short for full recovery, from about once every 27 years, to 5.9 years between events by 2016, as reported in the journal Science.

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Coral reef bleaching 'the new normal' and a fatal threat to ecosystems - Study of 100 tropical reef locations finds time between bleaching events has shrunk and is too short for full recovery, from about once every 27 years, to 5.9 years between events by 2016, as reported in the journal Science.