Mitch PerryMay 26, 2015
4min195
According to the American Lung Association’s State of the Air 2015 report, more than 138.5 million people — nearly 44 percent of the country — live where pollution levels are often too dangerous to breathe. Last fall the Environmental Protection Agency proposed tightening the 75-parts-per-billion smog standard set in 2008 to a standard between 65 […]