The world’s oceans will likely lose one-sixth of their fish and other marine life by the end of the century if climate change continues its current trajectory, a new study finds. Every degree Celsius that the world’s oceans warm, the total mass of sea animals is projected to drop by 5% according to a comprehensive computer-based study by an international team of marine biologists at the American National Academy of Sciences. The Intergovernmental Panel on Climate Changes special report on global warming already estimates that as of 2017, human activities were responsible for global mean temperature rise of one degree Celsius above preindustrial levels. Unless reductions are made by the world’s leading carbon emitters the world will likely warm by two degrees Celsius above preindustrial levels by 2100.
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