Artificial intelligence is the latest gold rush … supposedly. Governments want it. Investors want it. Technology companies cannot build enough of it. Across Australia, politicians speak enthusiastically about becoming a regional hub for artificial intelligence, cloud computing, and digital infrastructure. Vast data centres are rising across the landscape, promising jobs, investment, and a place in the technological future.

But every boom has a shadow.

The public discussion surrounding artificial intelligence tends to focus on the glamorous side of the story. We hear about breakthroughs in medicine, scientific research, robotics, education, and business productivity. We are told that AI could add hundreds of billions of dollars to the Australian economy over coming decades. What receives less attention is the physical infrastructure required to make all this possible.

Artificial intelligence may appear to exist in a virtual world, but it depends upon very real things: land, electricity, water, construction materials, and labour. The cloud, as the saying goes, is simply somebody else's computer. Increasingly, it is a very large computer housed in a warehouse consuming extraordinary amounts of power.

Australia is experiencing one of the largest data-centre investment booms in its history. More than $150 billion in projects are proposed or under development as companies race to build the infrastructure required for AI and cloud services. Australia has emerged as one of the world's most attractive destinations for these investments outside the United States.

At first glance this seems like an obvious success story. Investment creates jobs. Construction activity boosts economic growth. New infrastructure attracts global technology firms. Yet beneath the excitement a series of uncomfortable questions is beginning to emerge.

The first concerns land.

Recent analysis has identified approximately $21 billion worth of highly productive farmland in New South Wales and Victoria that sits within zones attractive for future data-centre development. These regions include some of Australia's most valuable broadacre cropping and grazing land. Critics are beginning to ask whether converting productive agricultural land into industrial digital infrastructure is a wise long-term trade-off.

This issue goes beyond nostalgia for rural Australia. Food security matters. Australia has traditionally enjoyed the luxury of abundant agricultural production. Prime farmland is not an endlessly renewable resource. Once productive land is covered by industrial infrastructure, roads, substations, and associated developments, returning it to agriculture becomes difficult.

The second concern is energy.

Artificial intelligence requires immense computing power. Data centres are among the most electricity-intensive facilities in the modern economy. Forecasts suggest they could account for around six per cent of electricity demand within a few years and potentially much more in the decades ahead.

This creates an awkward contradiction. Australia already faces challenges maintaining affordable and reliable electricity supplies. Households complain about rising power bills. Manufacturers warn about energy costs. Grid operators struggle to balance reliability, affordability, and decarbonisation. Into this environment comes a rapidly expanding industry demanding vast quantities of electricity.

Someone ultimately pays for the necessary infrastructure upgrades.

Even advocates of the data-centre boom acknowledge that new transmission lines, generation capacity, and grid connections will be required. Concerns have already been raised that rapid growth could place pressure on electricity networks and increase costs if planning is inadequate.

Then there is water.

Modern data centres generate enormous quantities of heat. Cooling systems are essential. In some regions concerns have emerged regarding the long-term water requirements of large facilities. Critics argue that Australia, the driest inhabited continent on Earth, should think carefully before committing scarce water resources to support massive AI infrastructure.

Local communities are beginning to push back. Proposals that once attracted little attention are now facing increasing scrutiny over noise, environmental impacts, electricity demand, land use, and resource consumption. Some developments have encountered significant community resistance, while others have been delayed or abandoned altogether.

None of this means data centres are inherently bad. Modern economies require digital infrastructure just as previous generations required railways, highways, ports, and power stations. Artificial intelligence may indeed generate substantial economic benefits. The question is not whether data centres should exist, but where they should be located, how they should be powered, and what trade-offs society is willing to accept.

Too often public debate presents technological progress as a choice between enthusiastic acceptance and irrational opposition. Reality is usually more complicated. Every major technological revolution creates winners and losers. Every innovation carries costs as well as benefits. The challenge is recognising those costs before they become irreversible.

Australia's leaders appear eager to position the nation as an AI superpower. Perhaps they are right. But before we cover productive farmland with server farms, place new pressures on electricity networks, and commit scarce resources to feeding the machines of artificial intelligence, we should at least have an honest conversation about the price of digital progress.

The irony is hard to miss. For generations Australians worried about foreign ownership of farmland, urban sprawl, and the erosion of agricultural capacity. Now a new challenge has arrived. The threat does not come riding on tractors or bulldozers. It arrives disguised as technological progress, carrying promises of innovation, efficiency, and prosperity.

https://www.theaustralian.com.au/business/technology/data-centre-boom-puts-21bn-of-prime-australian-farmland-at-risk/news-story/0e5dfa6728eae3c86aa0f2678480f678