Grist: More than 40 national governments and 20 states or other "sub-national" governments are now charging polluters for emitting greenhouse gases, or plan to start in the coming years, according to a new report from the World Bank.
The U.S., of course, is not one of the countries with a national cap-and-trade plan or carbon tax, but California and parts of New England are pushing ahead despite Congress` refusal to act.
All in all, about 7 percent of the world`s greenhouse gases are now priced -...