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Originally Posted by LinuxFan  I think global warming is caused by humans although I believe it is possible that other factors such as the precession of the Earth are responsible as well.
I remember I first heard about global warming in 1966 or 1967 when I was in sixth grade, though the term I remember used was "greenhouse effect". |
question: what made the temperatures goes down between 1942-1976 at a time when man made pollution was at its greatest?