This ultralight bike is designed to cut pollution and slice through traffic jams.
Can the liberal NYC mayor mend fences with increasingly hostile police leadership just as he needs the force to handle protests against bad policing?
The French capital has announced a plan to stop housing displacement in gentrifying neighborhoods. It might be the most radical proposal Europe has seen.
In a city-state that's wary of talk about race and religion, a burgeoning stand-up scene offers a welcome respite.
Economic success may be tied to the fact that not all of your neighbors are celebrating the same winter holiday as you.
Philly may take a chance on building a type of cycling arena that was immensely popular at the turn of the century, then all but abandoned.
In 19th-century New York, urban livestock were perceived as a threat to the image and future of the nation's largest city.
Stay tuned over the next several months for commitments from key players like India, Russia, and Australia.
The country hopes the move will get people more involved in government—and save some money.
Though the protesters didn't make any discernible progress towards their primary goals, there are many other ways that the movement has irrefutably changed Hong Kong.
The designers behind the States Plates Project are here to help.
The city aims to get 20,000 residents using its system by 2020.
During Art Basel, a tagger called Demz was run down by police protecting street-art fans from street artists. His death has more than one connection to Eric Garner's.
States are not politically nimble enough to secure identity rights for some of their most vulnerable populations. Cities can do better.
A New York City Council member wants the lights off at night in 40,000 commercial buildings to save the environment. Would this dim the city's iconic skyline?
"Parable of the Polygons" is playable version of Thomas Schelling's model of neighborhood segregation, with an optimistic ending.
A confluence of "buffer zone" cases has made Worcester, Massachusetts, a First Amendment battleground.
Cities with large foreign-born populations are likely to process the bulk of applicants following Obama's executive order.