That's my problem, I expect the climate shaming approach is (1) a total waste of effort, (2) does not hurt the heavy polluters and (3) does not consider hidden

That's my problem, I expect the climate shaming approach is (1) a total waste of effort, (2) does not hurt the heavy polluters and (3) does not consider hidden pollution (plastic straws vs flowers or meat). Hence I think the only way out fair and square taxation. It's not a new idea, and thus has a name: https://en.wikipedia.org/wiki/Georgism https://en.wikipedia.org/wiki/Georgism