Tag Archives: pollutant

[ad_1] Researchers at Rice University have determined that particle-forming sulfur dioxide is the most damaging pollutant for Texas coal-fired power plants, lacking equipment to clean up emissions. Credit: 123RF According to researchers …

[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 …