That human industrial activities are the primary direct causation of the currently observed climate change is a scientific fact, proven beyond any reasonable doubt.

What you show is that there are not many conservatives in academia. The reason for that is manifold. It could be that they are forced out. It could be that their views are changed with higher learning and turn progressive. It could be that conservatives self-select to not go into academia.

Pointing that out is not hand-waving.