Remember the 70s

Some more red meat for the Global Warming "deniers", as Global Warming believers like to put it (can't we just say Global Warming "sceptics"? Aren't "believer" and "sceptic" a pair?). Anyway, check it out. I haven't done much with it but received it from a friend in Seattle who works in the ultra-liberal tech community there; he's a closet denier.