Scientists Flag the Arctic’s New Chemical Threats

Arctic Deeply – For decades, wind, river and ocean currents have carried DDT, PCBs and other persistent organic chemical pollutants into the Arctic from industrial and agricultural production elsewhere in the world, creating serious health problems for humans and wildlife as they accumulate in the food chain. As the effects of these chemicals have become better understood, nations have moved to phase out and clean up many of them under the international Stockholm Convention.