Science Forums 2

[pmaust]

Originally Posted by InfiniteNow

The answer to your question is that water vapor is a feedback, not a forcing. CO₂, however, is a forcing.




This link goes into pretty good detail, and also helps raise your understanding on the issue quickly:

RealClimate » Water vapour: feedback or forcing?

Interesting discussion about feedbacks and forcings. Thanks. It also appears that the cloud feedback issue is undergoing further study as well. See discussion here ==> Climate Science: Roger Pielke Sr. Research Group News » Positive Feedback: Have We Been Fooling Ourselves? by Roy Spencer

And here===> http://cires.colorado.edu/science/gr...oc7500/sun.pdf