Observationally, they have nothing to show to support their claims of upcoming climate disasters. Scientifically, they got it mixed up and regularly distort what Science is and is not showing. In practice, they are using persuasion tools developed to save pandas and the Hudson river, and those are the wrong ones because Anthropogenic Global Warming is not a species in peril now or a river polluted at the present, but a risk for the end of the century.
No wonder then, Climate Change activists have been fighting a mostly political battle for at least two decades. And the main objective appears time and again to force their solutions upon us, and to stifle all forms of dissent.
In desperation, what else have they got?