...On Monday, a US district judge denied the majority of legal challenges raised by environmentalists, ranchers, and indigenous tribes, upholding that the federal government's decision to approve the Thacker Pass mine in 2020 was largely not made in error. However, chief judge Miranda Du did agree with one of the protesters' claims, ordering the US Bureau of Land Management (BLM) to complete a fresh review to determine if Lithium Americas Corp has the right to deposit waste rock on 1,300 acres of public land that the mining project wants to use as a waste site.

Because this waste site may not contain valuable minerals, there's a possibility that this land may not be validly claimed as a waste site under current US mining laws, Du wrote in the order. A mining law from 1872 requires that mining projects must validate all claims to public lands before gaining federal approval, and that means Lithium Americas must now provide evidence that valuable minerals have been found on the proposed Thacker Pass waste site to resume the project....