The Pacific Northwest’s once-prevalent tidal forests are mostly gone. But what remains stores an important secret

As the BPA seeks to expand its network of transmission lines, an Oregon salmon stream serves as an example of what can be done without herbicides

Aug. 31 is the deadline to respond to a public questionnaire about changes to the way Spirit Lake is managed

DarkSky Oregon is lobbying Columbia River Gorge communities to adopt policies that would reduce nighttime illumination

Accustomed to working in silos, land trusts are realizing fractured efforts to save the environment won’t cut it

Listed as endangered since 1993, efforts are underway to rebuild northwestern pond turtle populations and biodiversity in the Gorge

The Department of Ecology has sent the U.S. Army a legal demand to clean a training center that contaminated residential wells with “forever chemicals”

The tech giant’s bankrolling of the city’s legal fees continues to blur the line between public and private interests

In the Yakima Basin, irrigators are investigating how reservoirs can be used to create artificial currents that mimic natural ones

The U.S. Army’s Yakima Training Center contaminated scores of private wells, but it’s resisting providing assistance to all those affected

Timber Unity began as a single-issue interest group. Now it's finding problems behind every tree

Army Corps of Engineers says it has isolated a faulty turbine and is assessing the damaging