University of Melbourne emeritus professor and geologist Ian Plimer exposes the 'climate scam':

“This is not my opinion. I operate with provable facts: https://ccsenet.org/journal/index.php/jsd/article/view/0/47745

No one has ever proven that human CO2 emissions caused global warming: https://stopworldcontrol.com/climate

And if that [evidence] could be shown, then you would have to show that 97% of the emissions that are natural do not cause global warming.”: https://www.geoengineeringwatch.org