Global study shows PM2.5 mortality risk

Recent results from a study on global air pollution show reduced life expectancy caused by exposure to fine particulate matter (PM2.5), with the worst effects shown in developing countries but adverse impacts also seen in the United States, adding to a body of scientific evidence that might support tougher federal air standards. The just-released State Of Global Air 2019 report is a collaboration between the Boston-based Health Effects Institute (HEI), a joint EPA-industry funded research body, and other research institutions...