Archive for Category: "Ozone"

Our air is cleaner, but big challenges remain

Our air is cleaner, but big challenges remain

We’ve made significant progress in reducing pollution since the Clean Air Act (CAA) was enacted more than 40 years ago, even during a period of strong economic growth. Just since 1990, when the CAA was last amended, GDP is up 65%, while aggregate emissions of the six major pollutants that the U.S. Environmental Protection Agency […]