As air pollution increases in some US cities, the Trump administration is weakening clean air regulations
- Written by Jason West, Professor, Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill
Oil refineries and other industrial sources in and around Houston create some of the highest ozone levels in the nation. AP Photo/Pat SullivanAir pollution kills. In the United States, 1 of every 25 deaths occurs prematurely because of exposure to outdoor air pollution.
It kills more Americans than all transportation accidents and gun shootings co...


