Alva Review-Courier -

ALBUQUERQUE, N.M. (AP) — A U.S. district judge cited tribal sovereignty in dismissing a lawsuit aimed at shutting down a coal-fired power plant and adjacent mine near the Arizona-New Mexico border.

The lawsuit by environmental groups was targeting the 2015 approval by the U.S. government of a lease extension for the Navajo Mine and the Four Corners Power Plant, which has for decades provided electricity to customers throughout the Southwest.

The groups argued that the Interior Department and other agencies did not consider clean-energy alternatives or possible effects on endangered species in...