All Articles

Ideas for Cramming 1 Million More People Into New York City

The city's population is expected to mushroom to 9.1 million by 2030. Here's a novel way to accommodate that growth.

What Chicago Can Expect From a Long Teachers' Strike

During a 19-day strike in 1987, teachers eventually set up temporary classrooms.

The World Trade Center's Rocky Real Estate History

The original Twin Towers had trouble finding tenants, but the new buildings are off to a promising start.

How Sports Teams Are Making Cities Greener

Leagues are taking an impressive range of innovative and cost-effective steps toward sustainability.

Flexibility Is Key in Retrofitting Suburbs

Designing adaptability will help suburban areas meet residents' needs over the long term.

The Legal Activities Banned in London

More than 400 zones in Britain's dominant city have extra rules. Disobeying them can get you a ticket.

New York State's Curious, Century-Old Law Requiring Every City and Town to Have a Historian

Is this still a good idea?

Watch Your Camera Around San Francisco's Thieving Seagulls

Guarding your belongings is hard to do when the thief is one foot tall and can fly.

Denial of the Day: Rahm Emanuel Does Not Like Nickelback

350,000 students got the day off; the mayor clarified his taste in music.

Iowa Mayor Cleans Filthy Commode Himself After Complaints

Ready for a feel-good edition of our weekly restroom column?

Road Noise: Deadly? Maybe. Annoying? Definitely.

A large share of urban dwellers live in areas where road noise is highly irritating.

Bird House? Try a Bird Apartment Building

This swanky avian domicile can fit up to 78 finch families and one human voyeur.

Chicago Teachers Strike Puts Charter Schools in the Spotlight

With traditional public schools out of session, will parents make the switch?

The Next Big Question Facing Cities: Will Millennials Stay?

Young Americans have moved to urban areas in record numbers. But the generation that came before them offers few lessons for where they'll want to live in the future.

Reviving New York Harbor With Oysters: Why Hasn't This Happened Yet?

It's been more than two years since Columbia University professor Kate Orff made waves with her "Oyster-tecture" proposal. She's still pushing.

We Remember: September 11, Eleven Years Later

Private moments at public gatherings in New York and Washington.

Citywide Indoor Navigation Is Closer Than You Think

A new app launching in Seoul this fall will allow users to navigate from a street corner down into the subway and even to a particular shop or café in an underground mall.

How to Create More Latino-Run Businesses

Latino immigrants open fewer small businesses than other groups. Here's how we can close the gap.

You Can Literally Hear What Pollution Sounds Like

A team of scientists assigned tones to different air pollutants. Here are the results.