[rue]

I might have to read that at some point. Offhand, it would seem that carpeting Sahara and comparable areas would give quite sufficient yields of solar energy, especially combined with nuclear. Feasibility is another matter, naturally.

[TeMPOraL]

The book suggests it might, but in general getting sufficient quantities of energy from renewables would require country-sized facilities.

[rue]

There's a lot of unused land around, if circumstances ever get that dire.