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Sorry you're so old (based on your own description) and humorless (based on mine.) I DO computer modeling. Garbage in, garbage out. The computer age is in its infancy and I'm quite dismayed to see that a physicist has such deep faith in the infallibility of technology that he has lost all sight of its (thus far) vast inadequacies. So you're SURE that all inputted climate data is absolutely accurate, eh?... RUBBISH! ...Well, now, THERE's something to be concerned about. The pollution of our oceans with plastic. Why don't you help us all out by exercising your multitudinous brain cells on that problem? By the way, what makes you think I'm any younger than you? (Maybe it's because my writing isn't as GROUCHY.)