Environmental Groups Announce Plans to Sue EPA Over Ozone Standards
Louisville Issues Ozone Air Quality Alert for Friday
Obama Administration Withdraws Draft to Strengthen Ozone Standards
UCS Study Links Climate Change, Higher Ozone Levels
Obama Withdraws Draft Rule Meant to Tighten Ozone Standards
Louisville Experiences 12th Air Quality Alert
Heat Wave Contributes to Poor Air Quality
Kentuckians Urged: Drive Less This Summer