SCOTUS tells EPA its Good Neighbor Plan is “Arbitrary and Capricious;” Stays the Plan
EPA Proposes Revised Secondary National Ambient Air Quality Standard for SO2 for 1st Time Since ‘71
Allegheny Co. Health Dept. Announces Withdrawal of Request for EPA Attainment Determination of PM2.5 Standard
RACT II Equals RACT III for 58 Major Sources of Air Pollution in PA
WATCHDOG REPORT: PA Regulators’ Struggle to Implement Clean Air Act Requirements for Regional Power Plants Continues
New Designated Non-Attainment Area for SO2 in Western PA? That’s What EPA's Proposing - But is it Too Late to Make a Difference?
GASP Lauds EPA’s New, More Stringent Air Quality Standard for Fine Particulate Matter
EPA Initiates New Review of Ozone National Ambient Air Quality Standards to Reflect Latest Science
EPA Good Neighbor Rule to Require Lower Emissions for PA Sources
Mon Valley Air Pollution Exceeded National Health Standard Tuesday, Stench Continues While ACHD Mum
ACHD Proposes RACT Regs to Reduce Emissions of Ozone-Forming Compounds: Here's What You Need to Know
Allegheny County PM2.5 Levels Below Federal Standard but the Future is Still Hazy
Athletes, Unite for Clean Air!
The Economic Impact of Environmental Protection: The Myth of the Job Killing Environmental Regulatio
Physical Activity and Temporal Trends in Air Quality