While the use of polychlorinated biphenyls, more commonly known as PCBs, has been banned for more than a decade, the chemical pollutants continue to threaten animals at the top of the food chain. A ...

A new study, just published in the journal Science, shows that more than 40 years after the first initiatives were taken to ban the use of PCBs, the chemical pollutants remain a deadly threat to ...

New research shows that despite countries phasing out polychlorinated biphenyls (PCBs) more than 40 years ago, the chemicals remain a major threat to killer whales around the world, and could wipe out ...

A new study shows that more than 40 years after the first initiatives were taken to ban the use of PCBs, the chemical pollutants remain a deadly threat to animals at the top of the food chain More ...