Karachi

Reuters

Mourning Mandela, Around the World

Memorials and tributes to the South African icon, from Soweto to Brooklyn.

N. Pestalozzi

Booming Asian Cities Are Tugging The World's Center of Light East

The light of urban development seen from space can tell us much about the shape of the world's economy.

Vivek Prakash/Reuters

The Most Polluted Playgrounds in the World

Without play sets, slum children frolic in garbage dumps and toxic rivers.

Reuters

Pakistan's Looming Water Crisis

Water access and infrastructure concerns will only heighten as the country shifts toward an urban majority.

Reuters

The Challenge of Managing Diversity

Lessons I learned from two communities on opposite sides of the world

A pool hall is constructed on a Karachi roadway median. Courtesy Steve Inskeep

In Karachi, Irregular Neighborhoods Are Anything But

An estimated half of the population of Pakistan's largest city lives in unauthorized homes