The world's oceans could lose 17% of marine animal life by the end of the century if climate change continues on its current path, a new study says.
FILE - In this Wednesday, July 8, 2015 file photo, herring are unloaded from a fishing boat in Rockland, Maine. A study published Tuesday, June 11, 2019 finds a warmer world may lose a billion tons of fish and other marine life by the end of the century. The international study used computer models to project that for every degree Celsius the world warms, the total weight of life in the oceans drop by 5%.
If the world’s greenhouse gas emissions stay at the present rate, that means a 17% loss of biomass — the total weight of all the marine animal life — by the year 2100, according to Tuesday’s study in theof the National Academy of Sciences. But if the world reduces carbon pollution, losses can be limited to only about 5%, the study said.
The biggest animals in the oceans are going to be hit hardest, said study co-author Derek Tittensor, a marine ecologist at the United Nations World Conservation Monitoring Center in England.
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