40 Mayors Worldwide Endorse a Pact to Shape Data Center Development

Mayors of cities from Phoenix, Arizona, to Melbourne, Australia launched a pact for sustainable data center development at C40 Cities, a global cities climate network.

40  Mayors Worldwide Endorse a Pact to Shape Data Center Development
A data center is visible in Frankfurt, Germany, on Aug. 22, 2025, by Michael Probst/AP

June 23, 2026 (AP) — Forty mayors from around the world have signed onto a pact announced Tuesday to try to shape how urban data centers are built and operated.

It's their vision for how urban data center development can be done sustainably — and not at the expense of their cities' natural resources, energy prices or climate targets. C40 Cities, an alliance of nearly 100 cities seeking to impact climate change, launched it during London Climate Action Week.

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