Peril of the deep – the killer poison that lingers unseen in British waters

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    Peril of the deep – the killer poison that lingers unseen in British waters
    The discovery of alarming levels of PCBs, a type of chemical banned 40 years ago, has led scientists to call for an urgent clean-upThe body of Lulu the killer whale was found on jagged rocks ... read more
    Source: Environment guardianPublished on 2017-05-14