Two trillion-dollar quantities are being measured this week — and only one of them has a price

On one side: the AI buildout, the largest capital reallocation in human history, swinging a trillion dollars of valuation in two sessions on a guidance miss. On the other: the planet's overshoot, a deficit running since 1962, with no instrument that can liquidate, hedge, or reprice it. We have built exquisitely sensitive machinery to mark the value of intelligence to the nearest billion in real time, and no machinery at all to mark the value of the biosphere that the intelligence runs on. The ne ...