Simon and all his calculations are based on maintaining current lifestyles. If there is a global shift in consciousness we need less stuff. There has to be a complete change in living arrangements.
Low carbon fun. I am sure you can come up with a few ideas.
And being as I have seen no big brains step up and say what has to be done, I am not going to hold back what I think needs to be done. I have been moving in that direction and now it is time.