A U.S. District Court of Appeals has ruled that the EPA must reconsider a 2006 decision on national soot –or particulate matter—standards.
The skies over Mammoth Cave National Park are already so hazy, it’s hard to see more than a few miles. Now, a confusing whirl of pending regulations and law suits is putting the future of air quality in all national parks at stake. WFPL’s Kristin Espeland reports.
The EPA says 19 Indiana counties an townships are not meeting federal soot standards; Indiana says it should be only 5.
Do you change your plans – driving, mowing? – when you hear about an air quality alert?