A federal judge has denied xAI's request to throw out a lawsuit brought by the NAACP over alleged air pollution violations at the company's Colossus data center near Memphis, according to a court decision issued this week. The lawsuit, filed by the Southern Environmental Law Center on the NAACP's behalf, claims the SpaceX-owned AI firm installed and is running at least 35 combustion turbines and other pollution sources without securing required preconstruction or operating air permits. Judge Debra M. Brown ruled that the case will proceed, rejecting xAI's arguments on multiple grounds.

xAI had asked the court to dismiss the suit on two main grounds: that the turbines don't need permits because they qualify as mobile equipment, and that the plaintiffs lacked legal standing to bring the case. Judge Brown disagreed on both counts. "Because the plaintiffs have statutory standing under the Clean Air Act, because the combustion turbines are not 'mobile sources' under Mississippi's [State Implementation Plan], and because the citizen suit provision does not violate Article II of the Constitution or the private nondelegation doctrine, the plaintiffs' claims will proceed," the judge wrote in her decision. xAI also argued that citizen lawsuits of this type are unconstitutional, but the judge shot that down too, noting that "citizen suit plaintiffs sue on their own behalf, in their own name, and seek penalties that redress harm to themselves" rather than exercising federal executive power.

The ruling represents the second recent setback for xAI in this litigation. Earlier this month, the court also denied a similar motion to dismiss filed by the Department of Justice. NAACP director of environmental and climate justice Abre' Connor called the latest decision "another important victory in our effort to hold xAI accountable," adding that "the courts have repeatedly rejected attempts by xAI and the DOJ to dismiss the NAACP's Clean Air Act case." Connor emphasized that the organization's stance remains unchanged: xAI can't run gas turbines without obtaining the proper permits.

The case moves ahead as public sentiment appears to be shifting sharply against data centers across the country. New York recently enacted a ban on new data center construction, and other state and local authorities are weighing comparable restrictions. The growing opposition has already prompted both Amazon and Microsoft to commit to ending their use of non-disclosure agreements when negotiating with government agencies, and the backlash could play a significant role in the upcoming U.S. midterm elections. The legal fight over Colossus highlights a tension that won't be resolved in court alone: as AI infrastructure scales rapidly, communities and regulators are questioning whether the rush to build should outweigh environmental safeguards that apply to every other industry.