The most logical thing would be to work your way down this list: http://en.wikipedia.org/wiki/List_of_countries_by_carbon_dioxide_emissions_per_capita http://en

The most logical thing would be to work your way down this list: http://en.wikipedia.org/wiki/List_of_countries_by_carbon_dioxide_emissions_per_capita http://en.wikipedia.org/wiki/List_of_countries_by_carbon_dio...