Kgnu - How On Earth

Tackling ozone pollution in Colorado (starts at 3:55): Cooler fall weather might soon bring back the bluebird skies we all love. But last year ozone levels in the Denver metropolitan area were high enough to prompt state health officials to issue ozone action alerts an average of once a week. (This summer has fared somewhat better.) During these ozone alerts, health officials recommend that children, the elderly and people with compromised lungs do not exercise outdoors. Hosts Daniel Glick and Susan Moran interview John Putnam, the environmental programs director for Colorado’s Department of Public Health and Environment, about the science, the sources (the largest being oil and gas operations), the health impacts, and policy approaches to ozone pollution. Governor Jared Polis named Putnam to tackle, among other things, a longstanding problem with the state’s air quality: parts of the state have been out of compliance with federal Clean Air Act standards for more than a decade. Last year, the Environmental Pr