Copyrighted Image? DMCA | The United States has made progress in cleaning up air pollution, but 154.5 million people, about half the population, live where the air is so polluted with smog and particles that it is often dangerous to breathe, the American Lung Association said. But threats to the Clean Air Act are coming from the Republican, not the Democratic, side of Congress, in bills to strip the U.S. EPA of funding and curtail its powers to regulate air emissions. |



