The urban centers of the New Economic Powers are bent on GDP growth to become influential global cities. Yet the Western model being emulated is itself facing serious sustainability challenges. It is necessary to ask whether material possessions and use of natural resources are the best measure of prosperity.

The modern metropolis is vulnerable to all sorts of sudden and gradual threats, from hurricanes and earthquakes to the consequences of global warming. To cope, society must be resilient and the city managed well. Be prepared! Here’s an Urban Dweller’s Guide to the Elements.

By 2020 the population of the tiny Gaza Strip will grow by half a million people: 500,000 more to be fed, housed, educated, and employed. Let us address the root causes of this looming disaster rather than expecting the international community to foot the bill to mitigate their disastrous consequences.

Mohamed Elshahed founded Cairobserver, Egypt’s first architecture and urbanism website. He speaks with Senior Editor Jonathan Guyer about the city's grit: which historic areas are at risk, what residents say about their own neighborhoods, and how the government reacts to endemic problems.

Since the September 11 attacks, Gotham lives under a blanket of tight security. Police and guards seem everywhere. Inspections, intrusions and blockages are the norm. The financial cost is huge. Quality of life is diminished. Is there anything to show for it?