Fusion Futures
Of course if anyone manages to create “Biosphere Three” a closed loop system running off a fusion power plant supporting plants, animals and humans for even one year, without any solar or other energy input, AND pay for all the embodied energy (measured by eMergy accounting) in the whole setup, do wake me from my dreams of a prosperous way down through energy descent futures, to let me know the news.
Source: resilience.org