PCBs Likely to Cause the Extinction of Half the Killer Whales, Says Study
PCBs are surely considered one of the major threats to ocean life. A recent study, however, suggests that the impact of PCBs on killer whales can be worse than expected. Polychlorinated biphenyls were banned a decade or so back, but their presence in the ocean has not even started to fade in exponentially. This creates […]
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