Climate action and renewables has always been very popular with voters. Since political action has consistently lagged popular support I'd suggest that you'd need to look outside elections to see what is holding the west back on this.
This is just a talking point put about by climate deniers since dealing with climate change is cheaper than the alternative.
It's no different from Fox News headlines saying Medicare for all would cost X billion and not mentioning that business as usual would cost twice that.
An attempt to turn a popular, cheaper option into a scary bogeyman with selective lies.