The AI Act's enforcement mechanism depends on knowing what infrastructure underlies the systems being regulated. Individual data centre environmental disclosures would have made that possible — allowing auditors, regulators, and civil society to trace AI compute back to specific energy and water costs. The Delegated Act that sealed that data did not merely protect commercial interests; it removed a key input that compliance audits will need. Governance teams now building joint EU AI Act and GDPR programs are operating under a transparency obligation whose infrastructure layer has been deliberately…