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

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 way Arizona state Sen. Frank Carroll sees it, some share of the pollution in Arizona is due to emissions from other ...

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

Fearing it could actually lead to more federal regulation, a Wyoming Senate committee killed the “Make Carbon Dioxide Great ...

The city of Portland has approved a controversial land-use credential for Zenith Energy – a key step in the fuel company’s ...

During the Bay Watchers annual meeting Meg Wolf of the Idaho Water Resources Research Institute and Craig Cooper of Idaho ...

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

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

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

A bill making its way through the state legislature would delay the Advanced Clean Trucks rule, adopted from California, ...

Zenith needed the city’s approval for a land use compatibility statement, or LUCS, to have a chance at continuing its ...