These suburb neighborhoods in America though use that extra 1/2 acre per family to support swim, tennis, playground, small football fields, community house. An

These suburb neighborhoods in America though use that extra 1/2 acre per family to support swim, tennis, playground, small football fields, community house. Anecdotally; the neighborhood of 400 houses, each on 1/2 acre,I reference was < 1 mile distance to an elementary, high school, chain grocery store, and local store fronts - and served 4 similar neighborhoods in 1 mile distance. Other "eco" features supported were 3 retention ponds and multiple streams. Was it eco? No. If everybody had a garden plot, and biked would it be more eco than this (1/2 to 1/3 the density) neighborhood selling itself as eco, probably