In a court filing that environmental lawyers call first-of-its-kind, the Trump Justice Department has argued that the executive branch has a “right of dismissal” allowing it to shut down citizen lawsuits against polluters, even when the government itself does not intend to prosecute. The argument came around mid-June 2026 in NAACP v. xAI, a case before Chief Judge Debra Brown in the U.S. District Court for the Northern District of Mississippi.
The NAACP, represented by Earthjustice and the Southern Environmental Law Center, filed suit in April 2026 using the Clean Air Act's citizen-suit provision, a decades-old tool that lets ordinary people enforce environmental law when regulators do not. The suit alleges Elon Musk's xAI ran dozens of gas turbines near Memphis and Southaven, Mississippi without the required permits. The DOJ's position, grounded in Trump's executive orders declaring a “national energy emergency” and prioritizing “AI leadership,” would let the government extinguish such suits at will.
Associate Attorney General Stanley Woodward Jr. framed it as a matter of executive authority: “Ultimate responsibility for enforcing federal law belongs to the Executive Branch, not private interest groups.” A former DOJ environmental enforcement chief, Tom Mariani, described the novelty as the government asserting it can intervene in a case “for the purpose of not” prosecuting it. The move drew fresh national attention in early August as legal analysts warned it could gut citizen enforcement nationwide.