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We don't have to worry about the enforcement angle until the world's politicians have agreed
upon the official procedure for measuring the temperature of the earth, the optimum temperature of the earth, the precise percentage of CO2 that would establish and maintain that ideal temperature, the number, location, and specifications for the CO2 monitoring stations, who would be in charge of the world CO2 monitoring system, who would
pay for it, the thousands of
pages of regulations and taxes that would require enforcement, who would
pay for the regulatory bodies, who would collect the CO2 taxes, how the taxes would be distributed etc..