Supposedly, only 0.2°C temperature increase is due to CO2, but it causes more water to evaporate, which multiplies the result to 0.6°C. If multiplying were possible, there would be thermal runaway, as all temperature increases would have to be multiplied. Every calorie of heat does the same thing.
If water vapor is doing most of the heating, why replace carbon dioxide with water vapor in tailpipes and smoke stacks? Because the propagandists couldn’t care less whether carbon dioxide exists; they are fighting a war against the lower classes by making energy and transportation less available. Otherwise they wouldn’t be shutting down coal plants and replacing them with cryogenic natural gas and obstructing nuclear energy.
