OK, I stand corrected on this point, but that is not the issue.<quoted text>
"Carbon dioxide (chemical formula CO2) is a naturally occurring chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom. It is a gas at standard temperature and pressure and exists in Earth's atmosphere in this state, as a trace gas at a concentration of 0.039 per cent by volume."
You got it wrong by an order of magnitude even after I just provided the correct figures! Got to watch you real close!
Why "gotta watch me real close"? If you got my point, you will see that you are merely making the most of a trivial error.
Its not the total percentage that matters in this case, its the magnitude of the INCREASE. As I said. So now the INCREASE of 30% in levels should, all things being equal, INCREASE the greenhouse effect of CO2 by 30% as well.
My analogy about the arsenic in the glass stands, to clarify this point. 30% MORE arsenic is 30% MORE, and may make the difference between a dose that sickens you and one that kills you.
See the point? Sorry to ruin your gotcha moment, but my point stands.