Observers express concern that the division has lost its independence and commercial reality has taken over

When Sir Demis Hassabis said AI had brought the world to a “pivotal moment in human history” last month, he knew another big change was imminent.

This shift was closer to home. The Nobel prize-winning head of Google DeepMind, Google’s AI unit, announced this week he was relinquishing his day-to-day duties as chief executive and becoming chair. He is also taking on the role of chief scientist at DeepMind’s parent, Alphabet.

Large-scale datacentre projects around the world are being challenged or cancelled, as infrastructure’s energy demands ramp up

Datacentre planning proposals face all kinds of hurdles, from securing energy supply to high construction costs. But the 2,000 acre Prince William Digital Gateway site in the US state of Virginia had another problem: its proximity to a Civil War battlefield.

“If the development is allowed to proceed, the solemn nature of this historic site would become marred by sitting in the shadow of the monstrous datacentres, along with their associated electrical infrastructure,” said one legal brief against the plans.