I did just answer one of my own questions. at least a theory of possible mechanism.

If CO2 is the primary moving force in the global warming cycle then the obvious end to global warming will happen at our own hands before warming can exceed historical levels an ice age must trigger.

There has to be an explaination for the 3° drop in temps at the end of a warming period. If CO2 is the primary actor then it is responsible for that 3° drop somehow. After 5000 years...

The following is a list of unanswered questions that keep me from being an AGW cheerleader.

1) 800 year temp rise before co2 rise (ok the claim is that a small environmental temp change kicked this off and caused runaway process releasing more co2)

2) CO2 amplifier scenario (ok settled) then how do we have 5000 year cooling during PEAK co2 levels?

3) What mechanism makes...