High levels of PCBs threaten whales and dolphins


Scientists are raising serious concerns about the future of whales and dolphins in European waters who are continuing to suffer from the effects of toxic chemicals that were banned decades ago, but continue to linger in the environment.According to a new study led by the Zoological Society of London (ZSL), which was just published in the journal Scientific Reports, whales and dolphins in Europe  have been found to have some of the highest levels of polychlorinated byphenyls (PCBs) in the world.


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