Gardens are fine, integrating nature is fine, and not incompatible with high density / concrete. The issue is the wastefulness and carbon emissions of sprawl,

Gardens are fine, integrating nature is fine, and not incompatible with high density / concrete. The issue is the wastefulness and carbon emissions of sprawl, fuel, etc. that are common in less-dense areas. A return to the old-days isn't necessarily good, is all I'm saying... Burning wood for example is worse for the environment than coal or gas. We got away with it in olden times because there were so few people.