Exact quote from his Wikipedia page: "m]y objections to the global warming propaganda are not so much over the technical facts, about which I do not know much,

Exact quote from his Wikipedia page: "m]y objections to the global warming propaganda are not so much over the technical facts, about which I do not know much, but it’s rather against the way those people behave and the kind of intolerance to criticism that a lot of them have". Sounds unqualified to me. Knowing the technical facts seems like it would be important.