Surface ozone pollution remains stubbornly persistent even as emissions of traditional precursors decline. New research reveals that oxygenated ...

Southeast Michigan has experienced a marked increase so far this summer in what the state calls clean air action days, when weather conditions may cause the air quality to be unhealthy for some people ...

The United States Environmental Protection Agency (“EPA”) announced it is initiating a new review of the Ozone National Ambient Air Quality Standard (“NAAQS”). EPA states it is taking this action ...

Air quality, as measured by average ground-level ozone emissions, has improved considerably in Clark County from as recently as 2008 but worsened enough over the recent past that county officials have ...

Motor vehicles are the single largest source of air pollution in New Hampshire, responsible for roughly half of the emissions that form ground-level ozone, which harms human health.

The Commonwealth of Kentucky, Energy and Environment Cabinet and Louisville Metro Air and Pollution Control District (collectively, “Kentucky”) filed a Complaint in the United States District Court ...

Waves pummel a pier at Washington Park beach in Michigan City in October. IDEM Commissioner Tom Easterly on Thursday said LaPorte County no longer meets the Clean Air Act standard for ozone due to ...

27,944 people played the daily Crossword recently. Can you solve it faster than others?27,944 people played the daily Crossword recently. Can you solve it faster than others?