AI data centres are booming in Australia - but at what cost?

AI data centres are booming in Australia - but at what cost? The sheer size and noise of data centres are what people tend to notice first. Some say they sound like a jet plane about to take off, others complain of a high-pitched whine. When Lucy* puts her child to bed, she hears a constant humming. I'll hear it and think, 'What is that?