HBO has long been a home for some of the most-talked about comedy stand-up specials such as Eddie Murphy's Delirious! and Chris Rock's Bring The Pain as well as over a dozen from George Carlin.

George Carlin wasn’t just a comedian ... through in hilariously spot-on observations. Up to his final stand-up special, the very best of Carlin's stand-up was full of rants.

Up to his final stand-up special, the very best of Carlin's stand-up was full of rants. But his environmentalism rant wasn’t just funny—it was brutally accurate. His take?