If water vapor is a greenhouse gas, why doesn't this lead to a positive feedback loop wherein the earth warms, leading to more evaporation, and more greenhouse effect? - TL Winslow, Pansophist master of STEM and world history

https://www.quora.com/If-water-vapor-is-a-greenhouse-gas-why-doesnt-this-lead-to-a-positive-feedback-loop-wherein-the-earth-warms-leading-to-more-evaporation-and-more-greenhouse-effect/answer/TL-Winslow