At a glance
AI data centers are swapping water cooling for harmful PFAS chemicals to keep servers cold, raising concerns about contamination. Trump administration plans also show more data center projects on federal public lands than previously disclosed.
AI data centers are switching from water cooling to PFAS chemicals—forever chemicals that don't break down in the environment—to keep servers cold. The practice raises contamination risks for groundwater and soil. Separately, the Trump administration's plans show more data center projects on federal public lands than were previously disclosed.
PFAS chemicals don't degrade. If they leak, they stay in the environment indefinitely and can bioaccumulate. Using them as industrial coolant means eventual leakage is almost certain, and when it happens, it's permanent contamination. The scale of AI data centers is massive—each one uses enormous amounts of cooling fluid. Multiplied across the hundreds of data centers being built to train and run AI, PFAS contamination becomes a long-term environmental problem for no clear reason beyond convenience.
The federal land aspect is separate but connected: the administration is accelerating data center permits on public property, which means contamination risks are hitting public land and public resources.
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