To Map Crisis Zones, Humanitarian Groups Turn to the Crowd

With a smartphone app and some idle time, you can help groups like the Red Cross navigate areas in need.


Mapping the Streets of Havana in 3D

By crowdsourcing more than 65,000 photos, Mapillary and a team of Cuban mapmakers are creating the first “street views” of the capital city.


A Gamer Spent 200 Hours Building an Incredibly Detailed Digital San Francisco

This might be the most realistic video-game version of the city in existence.

Nam Y. Huh/AP

The Deception of Density

If we think carefully about the flaws in measuring how dense a place is, we can better articulate what we actually value about urbanism.

Paul Beaty/AP

Chicago Activists Turn the Tables on Police Surveillance

A new tool called OpenOversight matches names and badge numbers with photos of police. But some fear it could put officers’ lives in danger.

C2 Photography

Globally, Sprawl Is Getting Worse

Can cities around the world correct course?

Columbia GSAPP/CC BY 2.0

The Rise of the City Geek: Best #Cityreads of the Week

A round-up of the best stories on cities and urbanism we've come across in the last seven days.

Mark Blinch/Reuters

Behind the Urbanism in Science Fiction

Exploring the ideas of 20th century city visionaries and how they shaped the genre.

Courtesy of Visualizing Cities/Tekja Data Visualisation

Visualizing the Toughest Challenges Facing Global Cities

At Habitat III, stunning mapping projects from around the world showcase the need for science and data in urban planning.

Toru Hanai/Reuters

Farewell, Apple Car

Why couldn’t the gadget maker build the ultimate mobile device?

Great Big Story

The Public Librarians Who Serve as Human Google

The New York Public Library’s reference service still handles 30,000 calls a year.


Should Bike Helmets Be Equipped With Airbags?

Scientists say a self-inflating, Swedish helmet could prevent brain injuries.

Ideas That Stick

Forget the Car Boot, Now There's a Car 'Barnacle'

It sucks onto the windshield and can’t be removed until drivers call to pay a fine.

Anindito Mukherjee/Reuters

Everything You Need to Know About the Momentous Habitat III

A beginner’s guide to what will take place at the United Nations conference, and why it matters for the future of cities.

Mark Kauzlarich/Reuters

Quantifying Everything About Urban Life

Over decades, the Kavli HUMAN Project will track 10,000 New Yorkers’ lives.

Jonathan Alcorn/Reuters

Amazon Wants to Scan Your License Plate

Identifying cars would help it speed up pickup times at brick-and-mortar stores—but it could use the information to track your location.

ÅF Industry

Inventing a Better Ticketing Machine

The transit authority in Sweden’s southern region of Skåne wants to make the boarding process easier through tech.

Ollie Phipps/Flickr

The British Town That Will Run Almost Entirely on Food Waste

By spring 2017, the town of Keynsham could get up to 80 percent of its electricity from food waste alone

Orbital ATK

The Entire East Coast Could See a Rocket Launch This Sunday

The Orbital ATK rocket is carrying supplies and experiments to the International Space Station.