# Don't let Big Tech hide ecological cost of AI, environment agency chief tells EU > Source: > Published: 2026-05-28 08:44:23+00:00 COPENHAGEN — The European Union must ensure tech companies disclose the ecological footprint of their data centers, the head of the bloc’s environment agency says. As Europe races to catch up with China and the United States in the artificial intelligence race, Brussels hopes to put the necessary computing power in place [with a threefold increase](https://www.politico.eu/article/eu-data-center-where-will-they-go/) in data center capacity within seven years. That goal has raised sustainability concerns, given** **the large amounts of energy and water required to run this infrastructure.