AI Digital Needs AI Carbon: Warsaw 02:06:2026 Steve Walker
Artificial intelligence has become the defining investment story of our age.
Every week brings larger models, faster chips, bigger data centres and new claims about how intelligence will transform civilisation. Governments discuss AI sovereignty. Markets compete to identify the next trillion-dollar company. Technology firms race to secure compute power, electricity and infrastructure at extraordinary scale.
The excitement is real.
Artificial intelligence is already changing engineering, medicine, logistics, research, finance and industrial planning. It compresses time, accelerates discovery and expands access to knowledge at speeds never before possible.
But beneath the excitement sits a deeper question.
How does AI ultimately pay back?
Not in theory.
In the real economy.
For those old enough to remember the dot-com era, the feeling is familiar. The internet genuinely changed the world. Entire industries were rebuilt. Commerce, communication and media transformed permanently.
But when the excitement faded, investors eventually returned to a harder question.
What exactly did we invest in?
Many companies had users, traffic and attention, but no durable economic foundation beneath them. The promise was real. The monetisation was weak.
Artificial intelligence now risks facing a similar moment.
Not because AI lacks importance.
But because the scale of investment now flowing into artificial intelligence requires a route into the physical economy large enough to justify it.
This is the contradiction emerging inside the AI race.
Artificial intelligence appears weightless from the user’s perspective, but the infrastructure behind it is anything but weightless. Data centres require enormous quantities of electricity. Semiconductor manufacturing depends upon highly specialised industrial supply chains. Cooling systems require water, energy and materials. Compute clusters require construction, maintenance, logistics and grid infrastructure.
The more powerful AI becomes, the more physical the story becomes.