While the idea sounds good on paper, practically it amounts to a regressive tax on consumption which will just dig us into a deeper economic hole. We need to go back to the tax code that existed after the great depression for about 50 years: a 70-90% top marginal rate in a progressive system that taxes idle wealth hoarding and speculative casino capitalism as opposed to the real economy, consumption and labor. the reason for this is not ideological and it has little to do with global warming: it's the only way to grow the GDP without having to borrow from China and disenfranchise and lock up large parts of the industrial underclass like the US has been doing for the last 30 years