Individual savings will always be gobbled up by people higher up, who have the power to do it. There's nothing that's being left on the table by regular people. They'll just end up making their lives more miserable while solving exactly nothing, just adding more anxiety about the whole thing.

How about we start taxing wars? Those surely are very carbon expensive. Nobody says anything about that, but everybody wants me to take shorter and shorter showers, like that solves anything.