Other factors can temporarily overwhelm greenhouse warming. But, you postulated "all the other factors remained the same". Under that condition, increasing CO2 will certainly lead to increasing temperatures. Conditions on the Earth: ENSO, PDO, etc, will add noise, but CO2's strength is in its persistence
I really wish you would quote me, in context, when you are telling other people 'what Ian said'.
your version- "all the other factors remained the same"
what I actually said - "If all the other factors remained the same"
huge difference in meaning, especially without the context.
ya know, I have usually tried to be fair with you. I have even gone back and apologized when I discovered that I had perhaps treated you unfairly by reacting to your actual words rather than the intent behind them.
here is a case where you purposely misquoted me, and when it was pointed out to you, you churlishly refuse to even acknowledge it. do you still wonder why I call you dishonest? your character is abysmal. I hope your children have learned to reject your poor values.