Northwest states, tribes and environmental groups will resume suing the federal government over its hydroelectric dam operations in the Columbia River Basin that have harmed endangered native fish species.

The move comes after the Trump administration in June withdrew from a “historic” deal made two years ago, when President Joe Biden was in office. This agreement called for putting long-running legal battles aside and investing in the restoration of endangered Columbia River fish runs.

Behind the litigation are 10 environmental groups backed by Oregon, Washington and four Lower Columbia River tribes: The Confederated Tribes and Bands of the Yakama Nation, the Confederated Tribes of the Umatilla Indian Reservation, the Confederated Tribes of the Warm Springs Reservation of Or

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