The goal is to revise a 2020 study on the dams’ effects on steelhead and salmon populations. The study considered over a dozen federal dams. It concluded that breaching four lower Snake River ...

Pacific Northwest tribes and the states of Washington and Oregon are conducting studies to determine the impact of removing dams in the Columbia River Basin as a means to revive fish populations ...

It's one of the three dams Canada built under the Columbia River Treaty, which has governed how water is managed on the massive cross-border river for more than 60 years. (The Canadian Press ...