Depends on which 500 million... Wealthy people in industrialised countries tend to produce much more CO2. Compare e.g the us versus India at https://en.m.wikipe

Depends on which 500 million... Wealthy people in industrialised countries tend to produce much more CO2. Compare e.g the us versus India at https://en.m.wikipedia.org/wiki/List_of_countries_by_carbon_dioxide_emissions https://en.m.wikipedia.org/wiki/List_of_countries_by_carbon_... . With China, I guess a lot of the CO2 comes from making stuff for everyone else.