Earlier quoted context omitted.
If bitcoins price continues to rise, miners will be greatly incentivized to further decrease power costs. I hope this leads to innovation in clean power tech, especially in developing nations.
If bitcoin price continues to rise, wouldn't the power cost become relatively smaller? Wouldn't miners care less?
If Bitcoin price goes up, then the return on energy gets greater. Therefore, it's worth it to spend more energy mining. Then difficulty rises and takes this incentive away, reaching a new equilibrium with more energy spent.