Well argued article. Urban sprawl creates large tracts of impersonal, expensive-to-service housing dependent on automobiles for everything from commuting to buying a litre of milk. Southern Ontario will continue to attract residents, and we have to densify to make livable communities. Invariably, the most attractive and vibrant communities are higher density. That's where restaurants and small businesses thrive. Otherwise we are condemned to endless suburbs and strip malls filled with chain stores.