An aspect of this that's really important: Even if you try to reduce your own carbon impact, getting all those calculations right can be tricky. Taxing it make

An aspect of this that's really important: Even if you try to reduce your own carbon impact, getting all those calculations right can be tricky. Taxing it makes more carbon-intensive things more expensive, and makes it easier to do something natural: just go with cheaper options. Crucially, this also applies to all the people who wouldn't go to the effort of trying to lower their impact.