The only hope this planet has of ending fossil fuel use is nuclear. Lots and lots of nuclear power. Which won't happen in our lifetimes, so get comfy with fossil fuels.
It's all performance. They are career politicians which means it's not about the morals or values it's about the long game. The climb up. I remember @AndrewYang saying a democrat told him a problem is better politically when the issue is not solved because it gives them leverage.