AI data centres guzzle water. People are pushing back.

You might have heard that using a chatbot to write an email can use a cup of water. So how much water do the new AI data centres being built in Canada use? CBC’s Jonathan Montpetit wanted to find out. Instead, he found a murky business with little oversight. But there’s also growing opposition to big tech companies using public drinking water, just as climate change makes water more precious than ever.