Flagstaff, Ariz. • A federal appeals court has upheld the dismissal of a lawsuit aimed at shutting down a coal-fired power plant and adjacent mine near the Arizona-New Mexico border.
Environmental groups had targeted a 25-year lease extension for the Navajo Mine and the Four Corners Power Plant in northwestern New Mexico. They alleged the U.S. government did not consider clean-energy alternatives or possible effects on endangered species.
A lower court had tossed the case because the mine is owned by a Navajo Nation corporation, meaning it is shielded from legal challenges.
The 9th Circuit U.