The party-line vote marked the first time in the 55-year history of the Clean Air Act that Congress has moved to weaken the ...

Court documents show that CARB intends to repeal the ACF regulations related to so-called "high-priority" fleets and drayage ...

Congress is one step closer to barring California from enforcing its own emissions standards and banning sales of gas-powered ...

The Environmental Protection Agency offered coal-fired power plants and other industrial polluters a chance to apply for a ...

Critics say the joint efforts are not a coincidence as the restructured agency air program moves to weaken pollution ...

Colorado is now in severe violation of two federal ozone pollution standards, and it must find a way to reduce that pollution ...

From Acadia to Zion, there are health concerns across the National Park System tied to poor air quality conditions that the ...

This week, the House of Representatives voted to block the state’s ban on the sale of new gas-powered vehicles, challenging ...

Utah counties are struggling when it comes to clean air, according to a new report from the American Lung Association and ...