The topic introduced by this post is "things we know that we know ain't so". It is a good place to discuss widely-held beliefs disseminated despite solid evidence that falsifies the underlying hypothesis.

AGW seems to belong in a different category altogether, "things claimed by a majority of scientists that a vocal minority disputes". It is an ongoing controversy.

To turn this post into a soapbox would lessen its value. While the AGW controversy may have its place on LW, let me suggest that it should be the object of an appropriately researched top-level post, not opportunistic potshots.