"Weaning ourselves off fossil fuels will be extraordinarily difficult and in some cases not possible at all."
Absolutely correct George
TBH using Fossil fuels for a lot of current uses is a terrible waste of a very valuable resource. Most informed people don't see a total stop to fossil fuels but a reduction where possible.
A lot of the real argument is about how fast & who pays
The current UN Conference will not be an edifying spectacle .................