Catastrophic Anthropogenic Global Warming (CAGW)

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I do not deny that there has been 0.9 C increase in average global temperatures since the middle of the 19th century.

I do not deny that carbon dioxide is a "greenhouse gas" that must contribute in some measure to the warming since the 1950s.

I do not believe that the amount of warming caused by human industry is going to be catastrophic.

I know that the scope of papal infallibility does not extend to deciding matters of fact that have no bearing on the dogmas of the Church.

The battle over what is and is not science, and about what does or does not count as scientific evidence, is a philosophical battle. These are questions of metaphysics and epistemology, not logic, mathematics, physics, chemistry, or biology.