At least with regard to Americans, your suspicion is incorrect. American CO2 emissions per capita reached their highest level in the 1970s and declined later:

At least with regard to Americans, your suspicion is incorrect. American CO2 emissions per capita reached their highest level in the 1970s and declined later: https://knoema.com/atlas/United-States-of-America/CO2-emissions-per-capita https://knoema.com/atlas/United-States-of-America/CO2-emissi...