Another comment from our esteemed scientific community I see, LOL!
Ask professor Ferrari where he thinks the extra water vapor in the atmosphere is coming from... and be sure to include buildup of greenhouse gases and the resulting warming causing evaporation as choices A, B, C, D, and all of the above.
Later and Best, bulldzr
"So often times it happens, that we live our life in chains, and we never even know we have the key."
-The Eagles