There’s a few countries with huge hydroelectric resources, which are not applicable to most of the world. Other countries have merely seen a peak and slight decline, and based on trends it will take decades for that decline to reach the levels we need tomorrow. Demand for compute from the AI tech bubble has basically destroyed all the progress we’ve made since the pandemic.

The problem is too much consumption. Rich nations gobble up as much as they can and poorer nations are used as their mining pits and factories to feed the endless appetite for more, and as long as this continues the world is going to continue warming.