Paul Saladino· MD
the basic idea is when you're talking about an effect so you're talking about what what kind of warming effect does co2 have you'll want to know the trajectory of that effect so as you get more of something so you can think of different things have different trajectories so one possibility is at you know every additional unit is like a super linear kind of effect i don't know if people can see that but you know you'll see some it's exponential as a form of that it's not the only form of that but you can have that kind of effect where like every new thing has more impact than the last so that that can be a kind of scary thing doesn't really happen much in nature in a sustained way for interesting reasons but anyway where you can have a linear effect where each new so each new molecule of co2 would have the same warming as the last or you could have a sub-linear effect which means that you get diminishing returns and that's definitely what the greenhouse effect is and as you said everybody agrees on this it's in all the equations and it's even it's definitely in all the un stuff which i think is often very distorted but what and the way it's expressed if you look at the literature they'll talk about climate sensitivity or equilibrium climate sensitivity and what does that mean that means they talk about how much warming occurs when you double the amount of co2 in the atmosphere well think about that and the idea is the same amount of warming occurs every time you double it so let's just to use round numbers like if you start at 250 and you go to 500 like if that's two degrees or whatever okay then 500