As AI data centres guzzle energy, can we harness their wasted heat?

As the rapid growth of AI data centres compounds the world’s energy crisis, engineers in Denmark have found a way to make use of the vast amounts of “waste heat” generated by these centres, which is usually lost to the outside air.

There are more than 12,500 data centres around the world and more are coming online every day, straining global energy infrastructure and resources.

Beyond cons...