AI adoption in NZ firms brings hidden environmental costs

Amanda Williamson is the AI director for Deloitte’s AI Institute. (Image: Supplied)

Fri, 05 Sep 2025

New Zealand businesses adopting artificial intelligence must confront its hidden environmental costs, a Deloitte AI leader warns.Deloitte AI Institute director Amanda Williamson said AI used a lot of electricity and water, with a recent Google study estimating that a typical text prompt on its Gemini AI system consumed approximately 0.26ml of water, equating to about five drops, for cooling servers.“Every query has an impact,” Williamson said.Awareness growingIn her role, she regularly spoke with boards and executive leadership team...

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