The American Exploration & Mining Association was joined by a coalition in filing a challenge last Friday in the Wyoming district court.
The world’s largest producer of uranium is increasing its mining tax on the nuclear fuel by at least 50% next year.
Zimbabwe’s largest gold producer is negotiating with potential partners to boost production at its Shamva mine.
Meeting is considered pivotal for the UN body, expected to finalize its decade-long effort to enact regulations by 2025.
