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http://www.scotsman.com/news/environment/oceans-on-verge-of-mass-extinction-event-scientists-warn-1-4444641

19 Friday 12 May 2017 Share this article 0Have your say The world’s oceans are at the tipping point of being starved of oxygen leading to mass sea life extinction which could last a million years.University of Exeter scientists fear the modern ocean is on the edge of anoxia, when the seas are depleted of oxygen. And while this dramatic drop in oceanic oxygen does comes to a natural end, the process takes about a million years. Studying what happened during the Jurassic period, researchers found the drop in oxygen causes more organic carbon to be buried in sediment on...