Oregon Department Of Environmental Quality

Richard Whitman oversaw the state's efforts to combat climate change and pollution.

A Portland roofing company will pay $1.45 million for air quality violations over a ten-year period. The fine is the largest penalty in the history of the Oregon Department of Environmental Quality.

With large portions of Oregon under an air quality advisory, the groups most at risk for adverse health effects include infants and young children, people with heart or lung disease, older adults and pregnant women.

Oregon’s plans to regulate greenhouse gas emissions through a new Climate Protection Program are facing criticism for leaving out natural gas power plants.

At a hearing in Portland Wednesday, Oregon environmental regulators took questions and comments on the new statewide air pollution rules they’re proposing.

Oregon Gov. Kate Brown is promising “sweeping change” from the new state air pollution rule-making process now underway.

Conservationists allege that since the installation of a water mixing device, Portland General Electric has violated state water quality standards more than 1,200 times. 

Oregon Department of Environmental Quality Director Dick Pedersen is stepping down effective mid-March, Gov. Kate Brown announced Tuesday.