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How Energy Efficient Is Your City?

A new report ranks 34 major U.S. cities by their energy-use policies.

Could the Navy Yard Shootings Help D.C. Mayor Vincent Gray's Image?

Gray's been plagued by scandal, but he used his microphone to effectively advocate for his city.

You'll Hardly Recognize Dubai in This 1969 Flyover Film

This looks nothing like the glitzy metropolis we know now.

Are Mega-Projects Really As Bad As Everyone Says?

It's hard to build anything ambitious these days without being second-guessed. But maybe we're not judging them on the right criteria.

Some Corporate Sponsorship of Public Amenities Just Makes Sense

The Nashville city council is betting residents will happily use free dog-poop bags printed with a company logo. They're right.

China's One-Child Policy Could Be Causing Its Trillion-Dollar Housing Boom

And it could also lead to the eventual bust.

Starbucks Asks Gun Owners to Keep Weapons Out of Their Stores

It's a request, not an outright ban, because who wants to confront a customer with a weapon?

Where America's Economic Output Is Growing

80 percent of all metro areas saw their GDP's rise in 2012, according to a new Bureau of Economic Analysis report.

Almost Half of All Car Crashes in Los Angeles Are Hit-and-Runs

4,000 people each year are killed or injured in these accidents. Could a change in the law make it a little easier to catch the perpetrators?

The Ages of 1 Million New York Buildings, Mapped in Explosive Color

This could be the most detailed open-data map of urban gerontology in existence.

The World's Tallest Vertical Garden Is Like a Niagara Falls of Plants

Parasitic vines and weeping shrubs cascade down the facade of a super-green, under-construction highrise in Sydney.

'Microbial Batteries' Could Soon Allow Us to Harvest Electricity From Wastewater

Stanford scientists say they've figured out how, and now the challenge will be to make it cheap enough to do on a large scale.

These 2 Charts Prove American Drivers Don't Pay Enough for Roads

The failure is especially clear when compared to spending by Europeans.

This Sidewalk Art Installation Transforms Heartbeats Into Music

And helps local officials understand public space.

A Potentially Brilliant Idea to Keep Escalator Obstructers to the Right

Because poor etiquette should not be the reason you miss the train. 

NASA Has Invented a Lightweight Machine That Can Detect a Human Heartbeat Under 30 Feet of Rubble

The FINDER could change the way we rescue people from natural disasters. 

232 Million People Left Their Countries for New Ones—Where Did They Go?

More than 3 percent of people on earth have migrated, but surprisingly, they didn’t all go to rich countries.

One Japanese Man on Being Evicted for the Olympics Twice in One Lifetime: 'I Have a Kind of Grudge'

Tokyo's National Olympic Stadium is being rebuilt and expanded. That means Kohei Jinno, who lives one block away, will have to move. Again.

How to Salvage a Capsized Cruise Ship

Inside the most expensive maritime wreck recovery ever.