President Donald Trump on Thursday pulled the U.S. out of an agreement with Washington, Oregon and four American Indian ...

EPA proposes adding Upper Columbia River to superfund list March 5, 2024 Updated Mon., March 11, 2024 at 1:58 p.m. The Cominco smelter complex sits above the Columbia River in Trail, B.C., on June ...

The U.S. Environmental Protection Agency (EPA) announced on Friday that it has added the Upper Columbia River Site in northeast Washington to the Superfund National Priorities List (NPL). The list ...

The Columbia and the Lower Snake River, its largest tributary, are warming due primarily to dams and climate change, according to the state Department of Ecology.

SEATTLE — The U.S. Environmental Protection Agency (EPA) announced on Friday that it has added the Upper Columbia River Site in northeast Washington to the Superfund National Priorities List ...