As far as I can tell, the reasoning is, - The left-wing hates prosperity (and freedom). - Prosperity comes from coal, oil, and cutting down forests to make ca

As far as I can tell, the reasoning is, - The left-wing hates prosperity (and freedom). - Prosperity comes from coal, oil, and cutting down forests to make cattle ranches. Freedom comes from buying weapons with the profits. - Climate scientists/advocates say we have to scale back the coal, oil and forest bits, or we're flirting with extinction-level risks. - Ergo, climate scientists/advocates are left-wing.