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Ocean acidification killed off more than 90% marine life 252 million years ago, scientists

2015-04-09 20:46:00| Climate Ark Climate Change & Global Warming Newsfeed

Independent: They call it the Great Dying because it was the biggest mass extinction in history, and now scientists have discovered the first hard evidence that ocean acidification was the coup de grace that killed off more than 90 per cent of marine life 252 million years ago. In a disturbing parallel to what is happening in the sea today, researchers have found chemical signatures in ancient rock formations showing that the oceans at that time suddenly became more acidic, making it impossible for the vast...

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