Oregon environmental regulators gave a key stamp of approval to a proposed $2.5 billion biofuel refinery along the Columbia ...

A coalition of environmental groups is urging changes to a hydroelectric dam along the river to aid migratory fish populations.

A federal lawsuit over a Native fishing platform at one of Oregon’s greatest waterfalls is going to trial, a federal judge ...

Aside from Idaho Rep. Mike Simpson, many Republicans who may have the returning president’s ear bitterly oppose dam breaching ...