The CO2 alarmists never talk about the fact that we are in a (probably short as a percentage) interglacial warming period that typically lasts only 20,000 years between ice ages. Human CO2 was not responsible for the great temperature warming that ended past ice ages or even this one. And C0O2 has changed by huge amounts as well. Most stays dissolved in ocean water, but there is equilibrium between ocean and atmospheric levels that is probably temperature related and not the other way around.
One should be very skeptical when those who lust to control the means of production devise computer models that show a fake crisis to give them what they want. Communists lie, get used to it!
“Their hockey stick graphs do not even show known temperature swings such as the little ice age”
That’s because Mann’s climate “model” (really just a few hundred lines of code, not even really a model) was a fake. It was designed to smooth whatever input data was used. Stephen McIntyre proved that any series of data input into Mann’s “model” would have the bumps smoothed out. So the “model” was deliberately designed to remove the inconvenient Medieval warming period. Mann then concatenated modern historical temperature data onto the end of a series of supposed historical tree ring data in order to get the stick to go up at the very end, but failed to acknowledge that little “trick” in the paper, which was akin to tacking modern orange production numbers onto a series of historical apple production numbers and then pretending such a graph means something. The model and the paper were a 100% fraud from beginning to end.
An ethical science would have drummed Mann out of its ranks for perpetuating such a fraud. But like all of the rest of our institutions being deliberately destroyed by the Obammunists, there’s no such thing as ethics in science any more.