95%+ of CO2-producing activities come from two sources: coal, and petroleum products such as gas and diesel. Pretty easy to tax those. I've written more about t

95%+ of CO2-producing activities come from two sources: coal, and petroleum products such as gas and diesel. Pretty easy to tax those. I've written more about that here: http://shindyapin.tumblr.com/post/11123583304/solving-global-warming-with-startups http://shindyapin.tumblr.com/post/11123583304/solving-global...