Excited to see work on solar geoengineering:

https://twitter.com/MazMHussain/status/1775705471078293875

Maybe global-south nations who will be most hit by climate change will start threatening to do this unilaterally; even if other techniques are ultimately better, perhaps they need the push to get to the finish line

Could be worth it to use Starship to build a shade swarm of micro satellites at Earth-Sun L1 zone. It would be expensive and difficult but assuming Starship works and there's a good chance it will, it's just a matter of funding and launch priority.