[Old Professer]

That explains nothing; why should CO2 be where this graph shows it? It’s too late to defend the claimed certainty based on the complexity, complexity drives uncertainty.

The Mauna Loa CO2 record is the only data now not subject to great scrutiny; it is the keystone of the entire edifice.

But the building will crumble where the bricks and mortar turn to powder.

For this tower reaching into the sky, the masons now need to mix up some new mortar.

[cogitator]

That explains nothing; why should CO2 be where this graph shows it?

It's a demonstration of human influence on atmospheric CO2 concentrations.