Discussing the controversy raging in the US about the practicality of a 100% renewable energy system as mooted by Mark Jacobson, Richard Heinberg concludes
“But power down – the pathway about which it is seemingly not permissible for serious people to speak, is what we should all be talking about. That’s because it is the most realistic way to get to a sustainable, happy future.”
Thanks to Rob Palgrove for pointing this out. More details here.