Find Secret Public-Sleeping Dens With 'Google Naps'

Finally, a crowdsourcing effort aimed at reducing productivity.


The Big City Bike Parking Negative Feedback Loop

Too often, racks are taken up by the carcasses of bikes that have long been abandoned.


Visualizing the Stunning Growth of 8 Years of OpenStreetMap

Of course, these people know how to map their own mapping exploits.

Mapping the Car Crash Near Misses That No One Ever Sees

Data about traffic accidents that nearly happen could help prevent collisions that actually do.

Corcoran et. al

Mapping the Growth of OpenStreetMap

Looking back over the history of the crowdsourced digital street map, a familiar pattern emerges.


The Real Estate Deal That Could Change the Future of Everything

Two Washington, D.C., developers set out to democratize how commercial buildings are developed, and in the process they've invented an entirely new model of finance.

Courtesy of the NRDC

Should We Crowdsource Walkability Rankings?

Walk Score will now let users "review" a neighborhood's walkability.


China Crowdmaps Pedestrian and Cyclist Problem Areas

A new website enables residents to identify problems in Beijing's pedestrian and bicycle infrastructure.


A Quest for Consensus on Boston Neighborhood Boundaries

An interactive mapping effort tries to find where locals think their neighborhoods actually are.

[Im]possible Living

Matchmaking Abandoned Properties With Ideas for Reuse

An Italian website compiles crowd wisdom and ideas to utilize vacant properties.

I Make Rotterdam

In Rotterdam, a Promenade Built By the People

Constructing a piece of urban infrastructure that otherwise might have not been built for a generation.

The Limits of 'Kickstarter Urbanism'

Are crowd-sourced fundraising websites a good way to accelerate community-level projects?


When it Comes to Parks, it's Not Just How Many, But Where

A crowdsourced map hopes to help cities identify and address so-called play deserts.

Why Don't Real Estate Developers Just Ask Us What We Want?

One Washington builder asked neighbors what kind of store should fill an empty building. Is this the future of urban development?


What's Behind the Grumbling Over TED's City 2.0

Why some urbanists are skeptical of the conference innovator's plans to crowdsource the city of the future.