Read other letters about this article
1) Refuse to accept the other fellow's data.2) Claim he hasn't presented any data.
The blob of text you posted wasn't even a link. I had to google it to even figure out where you cut and pasted it from, and I had to guess at what kind of argument you were making with it.
The references to Nature and Science merely pointed out that researchers had observed CO2 rising after a warming. That this does not falsify climate theory is something you either can't grasp, or ignore on purpose. I suspect a combination of the two, given your obviously weak grasp of the philosophy of science.