Department of Environmental Quality is accepting a second round of comments on a snowmaking project near Big Sky.

Weather conditions are trapping smoke and other air pollutants near the ground where people breathe, officials said.

Among those fined were a city in Lane County discharging sewage to a creek, a Gilliam County landfill that failed to properly treat hazardous waste, and a Portland fuel terminal that made changes ...

The Wyoming Department of Environmental Quality is asking for a 108% hike in emission fees charged to energy producers.

A bill in Oregon will delay the implementation of Advanced Clean Trucks by two years. Find out what supporters and those ...

The Montana Department of Enviromental Quality is seeking applications for $1 million in grant funding to support water ...

Community members continue to express concerns over the DEQ Brownfields Agreement for 828 Martin Luther King, Jr. Boulevard.

The Oregon Department of Environmental Quality issued an air quality advisory for Eastern Lane, Eastern Linn, Eastern Marion, ...

Oregon DEQ issues air quality advisory for several counties due to air stagnation trapping smoke and pollutants.

Daimler Truck North America officials said for the company to remove the pause, they need “reasonable, durable assurance from Oregon DEQ” that the company’s approach for reporting the credit ...

The Idaho Department of Environmental Quality (DEQ) is concerned the rising temperatures of Lake Coeur d'Alene could result ...