Data centers are swapping water for forever chemicals to keep AI cool – Fortune

Data centers supporting artificial intelligence operations are increasingly replacing water-based cooling systems with per- and polyfluoroalkyl substances (PFAS), commonly known as “forever chemicals,” to manage heat more efficiently. The shift raises environmental and health concerns, as PFAS persist indefinitely in the environment and have been linked to various health issues. The trend reflects the cooling demands created by the rapid expansion of AI infrastructure and data center operations.

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