Amid a nationwide rush by AI companies to build data centers to support their feverish growth, and by many locales to attract them , some cities are saying whoa, not so fast.

That's the case in both St. Louis and St. Charles, Missouri, two cities just 30 minutes apart in the heart of the country.

On Aug. 22, St. Charles imposed, in a unanimous vote by the city council, a one-year moratorium on new data center construction after news broke about a secretive data center project possibly coming to the city, which stirred up protests from local residents.

In St. Louis, the head of that city's planning agency this week proposed a similar moratorium "while the city develops a full understanding of the issue and develops quality land use, environmental, and other regulations," according

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