Unfortunately I think it's too late for a carbon tax. Regulations are the only thing that we know works and can possibly work on the time scale required. Market

Unfortunately I think it's too late for a carbon tax. Regulations are the only thing that we know works and can possibly work on the time scale required. Market forces would have maybe had time to work ten years ago... Edit: To quote unattributed from a friend that does this stuff for work, I don't think they'll mind as long as their name isn't attached: "I think it’s a distraction from more effective policy. Emission standards like CAFE have worked better than carbon taxes have and also have caused zero national protests in France. Decarbonizing is an infrastructure replacement problem, which is capital intensive. It needs solutions that encourage, subsidize, and mandate green capital investment. Carbon taxes affects capital decisions at the discount rates of corporations (10%) or consumers (20%ish), which gives them a short time horizon. They also don’t really kick the green tech adoption laggards in the butt enough to get to 99% decarbonization."