Slums

Where the Poorest Americans Live

After dropping for nearly a decade, the number of Americans living in extreme poverty is on the rise

Mariana Bazo / Reuters

Urbanizing the Amazon

Though cities are springing up throughout the Brazilian rainforest, there are few jobs to be had

Courtesy Urban-Think Tank

To Add Public Spaces to Brazil's Favelas, First You Have to Find Space

Recent flooding opened up new possibilities in the Paraisopolis section of Sao Paolo

Courtesy Quicksand Potty Project

Tackling the Developing World's Poop Problem

A look at the politics behind India's massive toilet shortage