True or Not True

At this website, it is asserted that water vapor accounts for 95% of global warming.

Water vapour was responsible for 95 per cent of the greenhouse effect, an effect which was vital to keep the world warm, he explained.--- quote by Noel Sheppard of Augie Auer, New Zealand meterologist

True or Not True?

It turns out that water vapor does account for that, but global warming theory is based upon positive feedbacks.  If those positive feedbacks cannot be proven, global warming theory goes nowhere.