The more Yoriko Kitagawa learns of a massive data center to be built near her home in Hino on the outskirts of Tokyo, the more she worries.

¡°This is a terrible plan,¡± the 94-year-old said.

The explosion in resource-hungry data centers ¡ª housing the hardware ¡°brains¡± of artificial intelligence ¡ª is fueling unease worldwide, with New York State and Australia the latest jurisdictions to announce new rules.