Is there a chart that shows the progress each nation is making year over year to cut emissions?
Also, looking at which countries _are_ having the most success (if any), would help to show which strategies work better than others (e.g. the nuclear debate).
The first state to do it will see its economy shrink, and it will be bought by other who do not.
Also, it is possible for a country to become greener without shrinking its economy. There's a lot of economic theory that public investment brings public and private growth. Green infrastructure supporting green industries is already profitable in many places.