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US House Democrat asks Musk to answer for polluting xAI data centers

By Thomson Reuters Jul 29, 2026 | 11:26 AM

July 29 (Reuters) – U.S. Representative Frank Pallone, the top Democrat on the House Energy and Commerce Committee, on Wednesday demanded documents and ​answers from Elon Musk about the environmental ‌and public health impacts of his xAI Colossus data center operations in Tennessee and Mississippi.

• Pallone sent a letter to Musk seeking information on turbines used at the ‌Colossus ​1 and Colossus 2 artificial ⁠intelligence data centers, emissions ⁠data, permitting records and communications with government officials.

• Pallone also requested analyses related to the facilities’ emissions, power consumption and water usage, and asked ​to arrange a visit to the sites with committee staff.

• The New Jersey Democrat said ⁠Musk’s SpaceX, which owns xAI, ⁠had been unwilling to provide sufficient ​information during a meeting with committee staff last month ​and accused the company of showing “disregard for ‌the health and well-being of local communities.”

• The letter follows growing scrutiny of the energy demands and environmental impacts of AI data centers as technology ⁠companies race to expand computing capacity.

• Reuters reported this month that Musk’s AI company xAI had installed 59 ⁠natural gas ‌turbines for its Colossus 2 project ⁠without securing federal clean-air permits, according to ​communications ‌between regulators and company representatives. Reuters ​found the ⁠turbines were located near predominantly Black communities and that potential emissions exceeded thresholds that would typically require federal permits.

• SpaceX did not immediately respond to a request for comment.

(Reporting by Nichola Groom; Editing by ​David Gregorio)