The Book of Why DOES have a section on climate change toward the end - he actually uses climate change to illustrate the idea of counterfactuals and even provides an example about how to calculate how much man-made carbon emissions X can be a "sufficient" / "necessary" cause of storm Y... GIVEN we can agree on a model.

Among other (likely more polarizing) reasons for why folks remain so obstinate regarding climate change, it certainly is possible that not every involved party may agree to the same model of how climate affects weather