Also note that US population was about 1/3 and 2/3 of present in 1940 and 1980 respectively. The developing world has grown a lot faster than that. So the numbe

Also note that US population was about 1/3 and 2/3 of present in 1940 and 1980 respectively. The developing world has grown a lot faster than that. So the number of people living the highest-carbon lifestyles is up while the number of people aspiring to do so is WAY up.