Anglo American, the London-based company which owned a 50 percent share in the Pebble Mine project slated for Alaska's Bristol Bay watershed, announced Monday it was pulling out of the venture.
While Pebble Mine's original backer, Northern Dynasty Minerals, plans to proceed anyway, the move could hamper a controversial proposed copper and gold mine that has become a lightening rod for environmentalists, fishing interests and several native Alaskan tribes.