megacity

Nearly two-thirds of the sewage in the megacity of Dhaka, with 15 million people, is untreated.

A growing array of critics understand the need to break with the megacity mantra.

“The megacity of the poor,” is how the urban geographer Nazrul Islam describes his hometown.

The damage done to people by megacity urbanism is most pronounced in poorer countries.

Its southern megacity, Lagos, thrums with BlackBerrys, Hummers, and nightclubs.