The Swiss Federal Institute of Technology calls for the 2000-watt society. An energy budget, rather than a growth target, for everyone on the planet.
This is endorsed by the earth scientist Vaclav Smil as the only plausible scenario for survival. And Smil is extremely cautious in his endorsements
Don't know anything about Vaclav Smil, so don't know if that's a good thing or not. Richard Seymour seems to think so?