Kim Malcolm talks with University of Washington environmental chemistry professor Dan Jaffe about why air quality in the Pacific Northwest has been getting worse over the last three decades.
KUOW's environment beat brings you stories on the ongoing cleanup of the Hanford Nuclear Reservation, alternative energy, the health of the Puget Sound, coal transportation and more. We're also partnered with several stations across the Northwest to bring you environmental news via EarthFix.
LISTEN: Bigger, hotter wildfires are worsening air quality in the Northwest
AP Photo/Ted S. Warren
