“That last measure — a reversal of NEPA revisions made under the Trump administration that made it harder to sue — is especially bothersome for Republicans, since such lawsuits are routinely filed against fossil fuel and mining projects. Only about 10% of NEPA lawsuits lead to a judge blocking the project, but delays can drive away investors, and preparations to deflect potential lawsuits are time-consuming and expensive even if one never arrives. The question of who can sue, under what conditions, is an element of permitting reform that is “regrettably moving in the wrong direction,” said Nick Loris, vice president of public policy at the Conservative Coalition for Climate Solutions, a think tank.”