Bill Nye loses the 'kid-friendly' persona...

WARNING: The following video is NOT SAFE FOR WORK:

Bill Nye deviated from his kid-friendly "Science Guy" persona on Sunday night to help John Oliver talk about the severity of climate change. Nye proved he's not always the mild-mannered nerd millennials grew up with when he joined Oliver during his episode detailing carbon pricing and the Green New Deal.

Nye loses his usual demeanor at about 18:24:



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