They should pick a European country that wants to be green and focus to make it 100% free of oil, gas and coal. If all the efforts of the UN can’t make it work in one country, there is no way to make it work in the rest of the world. Within a few years, and half the money the UN collects, it will be an utter failure and maybe we can get some common sense back into the picture.
How about Lichtenstein? Or Andorra? Something small and manageable?