Smaller communities sounds great, but what of the multimillion person cities, to spread all those people out would require a significant amount of deforestation. Waste management does need to be addressed, how much is produced and how it is disposed of is not in the social consciousness. You are at the beginning of your learning, many have been learning, teaching, informing about the same subject areas for many decades, has anything g really changed? I think our time to make a significant change passed us by some years back.