I think water is so readily removed from the atmosphere by precipitation that production of excess water vapor would never have a significant affect on the climate, at least at the potential scales we are talking about.
The amount of water vapor from catalytic converters is insignificant. The amount of water vapor in the atmosphere is usually expressed in percent. The amount of carbon dioxide in the atmosphere is usually expressed in parts per million.
The amount of H2O admitted to the atmosphere from combustion, is the same as you peeing in the ocean and expecting sea level rise.
Not necessarily caused by the converter it is a by product of combustion
http://www.ehow.com/how-does_5522389_cau...
Scale.
Water vapor has been cited as having a potent effect on climate. I am curious if H2O as a byproduct of catalytic converters has been studied and quantified by science; first, it would seem that the H2O would be sequestered rather than a reciprocal output (correct term to describe?) like respiration. Is this assumption correct? Second, is enough H20 produced by catalytic converters to have a significant effect on climate and/or weather? Finally, would any effects first be noticed locally and/or regionally, or would the dispersion from urban areas where a lot of vehicles are concentrated be rapid enough to minimize local effects?
I'm not making any kind of judgments here about the overall impacts of mankind's activities on global warming or interested in the political, economic or psychological aspects of it in this question, I'm just interested in this particular detail and what science may have considered about it to date. Any links referencing the issue will be appreciated.
