- still drive old cars with lots of CO2 emissions
- live far away from their workplace
- probably have a poorly isolated home with oil or gas heating
will be the ones with higher than average emissions. And the rich people who do will just shrug at this minor extra expense. I feel like this is not mentioned enough in discussions (probably because wealth disparity is such a touchy subject) but your ability to reduce your carbon footprint is also directly tied to your wealth.