New research shows air quality gains in the U.S. have been cut by wildfire smoke. Scientists are sounding the alarm for change if the world wants to breathe clean air in the future.
Copyright 2023 KUNC
New research shows air quality gains in the U.S. have been cut by wildfire smoke. Scientists are sounding the alarm for change if the world wants to breathe clean air in the future.
Copyright 2023 KUNC