Comment by snowwrestler

There are a lot of people who think humanity will intentionally geo-engineer our way out the negative effects of our accidental geo-engineering. In part because it is something active that a single nation could do for itself. Like, China could just decide one day to do what you’re saying and it’s unlikely anyone would start a war to stop them.

Seems scary because we don’t actually know how to do it, and we only have one planet. We could create horrible side effects like killing ocean life we depend on for food, or admire (e.g. whales). We also have evidence for a “snowball Earth” state at times in the past. What if we overcorrect? Lots of good sci-fi stories about that to chill our bones.

The argument against it happening is that it would be expensive for that one nation, but benefits would not be proprietary. Whereas building out an economy of low-carbon power generation, manufacturing, and transportation creates tons of domestic economic benefits like jobs, trade, profits.