Air quality experts weigh changing sources of global PM2.5 pollution

April 20, 2021
Air quality experts are investigating the changing sources of fine particulate matter (PM2.5) air pollution in various countries, weighing the most cost-effective and locally effective ways to cut emissions and improve health in different areas -- including efforts to identify the best ways to cut harmful PM2.5 in the United States. During an April 20 virtual meeting hosted by the research organization Health Effects Institute (HEI), which is jointly funded by EPA and the auto industry, air quality researchers discussed...


Not a subscriber? Sign up for 30 days free access to exclusive environmental policy reporting.