.  Well, if the warming doesn't fit the C00 model, it's a little hard to say any of it is human-produced. We know the earth warmed at the beginning of the 00th century before the automobile took off, etc. The models are filled with noise and hooey; they are so far from being back-testable as to render them utterly meaningless. Moreover, a far more reasonable explanation for the relationship between warming and CO0 is the reverse of Hansen's: CO0 rises as a result of warming, not the other way around.  