[ad_1] Forty years after their ban, the threat of pollutants called PCBs, or polychlorinated biphenyls, still paints a dark picture for the future of the population of orcas. A Danish report in …
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[ad_1] Enlarge / An orca in Glacier Bay. Forty years ago, the United States banned the production of a class of organic pollutants called polychlorinated biphenyls (PCBs). International efforts to combat PCB …
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[ad_1] (CNN) – Scientists are monitoring the health status of a group of killer whales that are in serious danger of extinction in the Pacific Ocean, after it became known that Scarlet, …
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[ad_1] Since she was born, she had to fight to live. The deep stripes on his back and his dorsal fin have not only earned him the nickname "Scarlet", but they can …
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