Most people now live in cities, the UN declares, and more will follow, perhaps marking the 21st century as the Urban Era. Why the attraction to cities? Perhaps it shows rising hopes for progress.
Through its Cities of Migration project, the Maytree Foundation hopes to provide not just inspiration but a set of tools that any city government can use to build a strong, diverse community.
The host of the 2014 World Cup and 2016 Summer Olympics faces many questions as it prepares for mega-events that are changing the way things are working in Rio de Janeiro.
One of every five residents in Rio de Janeiro lives in a favela, and faces public security and health threats. But the city's plan to improve slums has been met with distrust, writes a guest blogger.
How the need for security leads to enhanced public spaces.
The rise of ships, trains, and cars transformed cities and the way we live. Now it’s the Web’s turn.
Noted policymaker Diane Ravitch says she was wrong to jump on the No Child Left Behind bandwagon.