I'm not sure "historic" means what you think it means. Obligatory XKCD so that no one is taken in by this spurious argument, which is often made for temperature

I'm not sure "historic" means what you think it means. Obligatory XKCD so that no one is taken in by this spurious argument, which is often made for temperature rather than C02, https://xkcd.com/1732/ https://xkcd.com/1732/.