These are not solving land impact of human. We must have fewer human or live in smal space like in Tokyo and others city like it. Most human no have desire to do this. Batery take resources like lithium more than we have. Maybe Dyson swarm eating star energy output cause climate change of its own, fewer energy reaching earth surface. There is always impacts that human create. We only can for truly mitigate climate change with reducing human numbers. One action we take for to reduce impact create impact again in one other place. We swalow spider to catch fly and continue on each and again. One child policy is the forebest way for to accomplish.