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Editor’s note: It seems that Al Gore reads Grist. And, um, doesn’t credit it. We’re just saying.

From a sharp-eyed reader comes this ad for Humble Oil (which later merged with Standard to become, yes, Exxon). It may win the All Time Millenial Award for Maximal Irony. It’s from a 1962 edition of Life Magazine, available on Google Books (click for larger version):

How right they were …