Smallpox maliciously released in London would spread to several countries before governments could intervene, a new model predicts.
France looks set to implement a series of groundbreaking laws designed to induce landlords to rent to a wider variety of income levels.
Officials describe an "apocalyptic" scene in Brétigny-sur-Orge, just 12 miles south of the city.
What would you do if you had access to all available centralized data?
Milan bans ice cream after midnight, Madrid bans noise. Has the continent lost its taste for fun?
European rail travel is often more expensive and harder to book than cheap, no-frills plane tickets. But that's about to change.
North American cities are producing substantially less wealth per ton of greenhouse gas emissions than their European counterparts.
A series of maps reveals the subtlety of central Parisian economic geography.
And illuminates some national stereotypes in the process.
The planning debate that sparked Turkey's recent protests is part of a larger, kind of weird architectural trend.
Your weekly roundup of what cities are banning around the world.
Surely there's something we can do about this.
Freight is crippling metro areas, but it's rarely part of city planning.
A stand-off with the city could cost Paris one of its most-visited bastions of Bohemianism.
Landscape-inspired highlights from last weekend's Paris Photo Los Angeles art fair.
Dozens of cities will have the chance to design their own municipally focused microcosm of the web.
The gigantic French green space is being billed as a "metropolis of retail, culture, and leisure."
Artist Kurt Perschke is installing an enormous red ball in a different Parisian location every day through April 28.
If climate change caused the waters to rise by 500 feet, this is what major international cities might look like.