"Fortune's conference, Brainstorm Green, along a sunny beach in California this week could not have been better timed. It is exactly two months before Rio+20. So much intellectual energy was present, so many great ideas, that the question begs to be asked: will the 193 government delegations gathering at Rio+20 to debate the green economy and global environmental governance, deliver even a fraction of this energy, this thinking?" (Quoted from article)