Here is the catch - efforts to reduce overconsumption mean slowing economy and lower tax base. No goverment can afford that.
> Imagine riots because people want to keep using their cars and trade goods that have become illegal, or vendettas against people who emit co2.
I believe we are on a verge of Millenial movement of some sort that will make a matter of enviroment a quasi religion of sorts. That would change the attitudes.