He's a climatologist!
Oh, wait...
I call him Bill Nye, the SciFi guy.
Which began in 1880.
So on an earth that is 4.5 billion years old, how much accuracy can you really infer?
I've always maintained that liberals must be young earth creationists, who think the world is 6000 years old.
Even in that scenario, 140 years out of 6000 ain't jack squat.