The U.S. Geological Survey has estimated that 10 to 20 million shad may travel up the Columbia River annually. While pelicans ...

A stopgap update to the 60-year-old Columbia River Treaty between the U.S. and Canada upends flood control and hydropower ...

Pelicans formed a smaller colony downriver in 2010, on an island in the Columbia River Estuary. Birds seen in spring and summer between those two colonies on the Columbia River are likely 1- to 2 ...

The mighty Columbia River and its estuary are at risk of destruction for generations to come. A major water permit stands in the way of NEXT Renewable’s approval to construct one of the world’s ...

A trio of federal agencies are considering pursuing additional environmental guidelines for the Columbia River. The U.S. Army Corps of Engineers, Bonneville Power Administration and the Bureau of ...

Supplemental study will consider new data about dam breaching, which environmental advocates say would restore salmon, ...