Move over, Bill Nye. We’ve got ourselves a real scientist!

Still skeptical about man-made climate change? You won’t be after you hear from someone who really knows about this stuff:

Wow. We had no idea she was so well versed in the ways of science.

Well, that’s it. We’re convinced!

That was cute, Katy.

Sorry, but she was told there would be no math.

Heh.

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Related:

Twitchy coverage of Katy Perry