The proponents of currently fashionable planning doctrines favouring density maintain, among other factors, that high-density planning is more environmentally sustainable. Policies based on these doctrines are being applied in Australian capital cities--- Canberra, Sydney, Melbourne, Adelaide, Brisbane, Perth and to some extent Darwin and Hobart.
The assumption that high-density is environmentally superior seems to be based on intuition as no proof is provided to support this claim. Rather, considerable evidence is emerging that this is not the case. read more »