More than 150 Army Corps workers in Portland, Oregon, were told they would be terminated, and they expect to lose about 600 ...

The nations were trying to finalize updates to the 61-year-old Columbia River Treaty governing shared, cross-border water and ...

The U.S. has paused negotiations with Canada on a keystone management plan that governs flood control, water supply and ...

Under Columbia River Treaty, Canada controls the flow of the Northwest’s largest river from its headwaters in British ...

Protecting and conserving our natural heritage, predicting weather and environmental conditions, preventing and managing pollution, promoting clean growth and a sustainable environment for present and ...