Perhaps, but at least proportionally water vapor significantly outweighs carbon dioxide, even more so when you just look at man-made greenhouse gases: http://w

Perhaps, but at least proportionally water vapor significantly outweighs carbon dioxide, even more so when you just look at man-made greenhouse gases: http://www.geocraft.com/WVFossils/greenhouse_data.html http://www.geocraft.com/WVFossils/greenhouse_data.html When you take water vapor into account, man-made greenhouse gases only account for 0.28% of all the greenhouse gas in our atmosphere.