reply
Being a 'Professor Emeritus' is not 'still being on staff', it is the exact opposite in fact. Please ask you friend Google for the latest paper the man published.
Ad hominem' is only a fallacy if it is not relevant. The fact that the man was not an active researcher in *any* field during the time when consensus on global warming was reached is not irrelevant. Consequently, pointing this out is not Ad hominem.
I never said anyone is a religious wackjob, I just demonstrated that your argument can be used to imply the Theory of Evolution is wrong. This is just Ad absurdum.
Calling someone a troll actually *is* Ad hominem. Linking to a list of fallacies is just being a prick