Newps wrote:

You have no way of knowing that. I can just see the caveman out there
with his CO2 test kit.....

Actually, we know quite precisely how the climate was *way* before
cavemen appeared on earth.

Obviously you don't have the slightest clue of recent scientific
methods. There's nothing wrong with this, I'm sure you know lots of
other things which I don't have a clue of. Just don't make any
statements about climatology.

Stefan