Obama's Updated Smog Standard: A Missed Opportunity

EcoWatchObama's Updated Smog Standard: A Missed OpportunityEcoWatchToday, the Obama Administration will unveil an update to the National Ambient Air Quality Standards (NAAQS) for smog pollution—or ground level ozone—and set the level at 70 parts per billion (ppb). The standard was last updated in 2008 when the Bush ...and more »