Evidence that global warming is largely caused by humans

I trust he performed a panestaking job?

But of course! Good job, sir: Plumber’s bum, amply mediated by the observer’s embarrassment, is the real cause of AGW!

'Luthon64

Perito Moreno Plumber? You probably mean glacier?

An Andean piper with an icy temperament and a glass tube fetish? Nope, bummer’s plum it is — and that curious exothermic mixture of sweaty look-aside discomfiture and hotly suppressed amusement.

'Luthon64

;D