"I just have a hard time taking the whole Co2 debate seriously...

"I just have a hard time taking the whole Co2 debate seriously when they all need to get together at worldwide conferances, via aeroplane, etc, then tell us we all need to reduce our Co2 emissions"

this statement indicates that you don't understand the Co2 debate. Nobody is suggesting that we should be grounding all out planes and jets and stop driving motor cars. We can, however, build more efficient jets and cars.