The largest-known U.S. uranium deposit will remain firmly under ground after the Supreme Court on Monday upheld Virginia’s ban on mining the radioactive metal, rebuffing a challenge backed by President Donald Trump’s administration to the 1982 moratorium. In a 6-3 decision that underscored states’ rights, the justices affirmed a lower court’s ruling that threw out a lawsuit by Virginia Uranium Inc and other owners of the massive deposit valued by the company at $6 billion on private land in southern Virginia. The company, seeking to exploit the deposit, contested Virginia’s power to enact the ban, saying the policy should have been preempted by federal law governing nuclear energy. Virginia Uranium is a subsidiary of Vancouver, British Columbia-based Virginia Energy Resources. The dispute focused on whether the federal Atomic Energy Act of […]