Ha! This is an important result. Finally some evidence to counter the CO2 haters. Warming causes CO2. He He he... Those idiots. Hadley will of course say this is wrong. They are banking on the ice core analysis that they’ve done and will fight this tooth and nail.
Water vapor plays an overwhelmingly large role in the greenhouse effect, accounting for something like 95% of it. See my earlier post above on the subject.