DOJ Intervenes in NAACP Lawsuit Against xAI, Cites Grok as Essential for Military Operations

Summary

The Department of Justice intervened Monday in a lawsuit filed by the NAACP against xAI, arguing that the company's natural gas turbines at its Colossus 2 data center in Mississippi are "vital" for national security. The DOJ claimed that Grok—xAI's AI model—is one of only four models supporting mission-critical operations across classified military networks and is being used for recent military strikes against Iran, making the continued operation of the turbines essential.

The NAACP lawsuit, filed in April, alleges that xAI is violating the Clean Air Act by operating unpermitted natural gas turbines at the facility. The environmental organization warns that the turbines pose health risks to surrounding communities, which already suffer from high pollution burdens and elevated asthma rates. The lawsuit originally identified 27 turbines operating without permits; however, emails obtained by the Southern Environmental Law Center show that by mid-May, the number had surged to 57 turbines, representing a 111% increase in nitrogen oxide emissions since the lawsuit was filed.

The DOJ filing, supported by declarations from the Department of Defense's chief digital and artificial intelligence officer, frames the dispute as a national security issue rather than an environmental one. Cameron Stanley argued that forcing xAI to cease turbine operations would "directly threaten ongoing national security interests." The case highlights the emerging tension between AI infrastructure expansion and environmental regulation, particularly in communities with existing pollution challenges.

• xAI nearly doubled turbines at Colossus 2 from 27 to 57 between April and May, increasing emissions by over 80% across multiple pollutants