Mother Jones
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This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration.
Scientists have confirmed the third-ever global bleaching of coral reefs is under way and warned it could see the biggest coral die-off in history.
Since 2014, a massive underwater heat wave, driven by climate change, has caused corals to lose their brilliance and die in every ocean. By the end of this year 38 percent of the world’s reefs will have been affected. About 5 percent will have died forever.
But with a very strong El Niño driving record global temperatures and a huge patch of hot water, known as “the Blob,” hanging obstinately in the north-western Pacific, things look far worse again for 2016.
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