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Sep 29, 2025, 12:01 pm120 ptsTrendingPHYSorg
Polychlorinated biphenyls, or PCBs, a class of fire-resistant industrial chemicals, were widely used in electrical transformers, oils, paints and even building materials throughout the 20th century. However, once scientists learned PCBs were accumulating in the environment and posed a cancer risk to humans, new…
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.