It's very difficult for people to calculate what set of small changes is most impactful. And you've also got to account for the costs of spending hours every we

It's very difficult for people to calculate what set of small changes is most impactful. And you've also got to account for the costs of spending hours every week trying to optimize for that. The most efficient solution is to implement some market pricing mechanism for carbon, and have consumers automatically enact change through the existing, legible process they use for making decisions: comparing prices.