The global south is entering an Urban Age where, for the first time in history, more people will be living in cities than in the countryside. The logics of this prediction have a dominant framing - rapid urbanization, uncontrolled migration, resource depletion, severe fuel shortages and the breakdown of law and order. We are told that we must be prepared. The solution is simple, they say. Mega-urbanization is an opportunity for economic growth and prosperity. Therefore we must build big, build new and build fast.

With contributions from an international range of established...