1) Temps. seem to rise about 800 years BEFORE the CO2 levels rise.
2) Regardless, manmade CO2 only accounts for about 0.118% of the greenhouse effect.
3) The last interglacial warm period lasted about 13,000 to 15,000 years. We are on about year 12,000 for our current warm period. (Note: Past results are no guarantees of future events.)