Why global warming is impossible

Found here.



Some of the points he makes are specious, but the main argument is valid. Water vapor is the primary "greenhouse gas" in the atmosphere, and clouds, driven by solar activity and cosmic ray intensity, are the biggest regulators of our global temperature, after the oceans.

I would like to ask this guy how it is possible that sulfur dioxide and chlorinated compounds can be found in the stratosphere if CO2 is "too heavy" to be found at high altitudes. He never aced high school chemistry and physics, evidently.