EPA plans to hide data center air pollution

The EPA is moving to eliminate a federal rule, in place since the 1970s under the New Source Review permitting process, that requires public notice and a comment period before certain industrial sites can get an air permit. The change would hand that decision to individual state and local air agencies instead, and advocates warn many of those agencies will simply skip the step. Keri Powell, senior attorney at the Southern Environmental Law Center, put it bluntly: “what EPA would be allowing would be all of those facilities to go through and just not have to deal with the public, issue the permits in secret behind closed doors. Nobody knows what’s happening until the bulldozers are out there.”

The rule covers so-called “minor” pollution sources, a label the EPA applies broadly, from landfills and paper mills to the gas turbines and backup generators that power data centers, the same category of equipment behind xAI’s unpermitted Memphis turbines controversy, and the AI buildout behind them. EPA administrator Lee Zeldin framed the move in July as cutting “unnecessary and burdensome red tape” and putting permitting decisions closer to the communities affected.

Why this lands on AI’s doorstep

New data center construction has become a flashpoint for local opposition specifically because of the air permits tied to on-site power generation, and this rule change would remove one of the main levers residents currently have to learn about and object to a project before it breaks ground. For any company planning or financing new AI infrastructure, faster, quieter permitting cuts both ways: it likely speeds up buildout timelines in the near term, but it also raises the odds that projects proceed with less local goodwill banked, a risk worth weighing alongside the chip tariffs the administration is separately considering for the same buildout.