insulation for houses and heat pumps instead of burning gas or space heaters, public transport, other YIMBY efforts (denser and cheaper cities, less commute, m

insulation for houses and heat pumps instead of burning gas or space heaters, public transport, other YIMBY efforts (denser and cheaper cities, less commute, more people can move to where they want), green steel efforts, SMR nuclear. basically anything where a big commitment (eg. ordering hundreds of billions of the greenish version) can move the needle permanently, the downstream effects are enormous