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How to Make Your Town Into a Bike-to-School Mecca

A contest in Ohio gets 4,000 kids biking more than 52,000 miles, while keeping roughly 57,292 pounds of carbon dioxide out of the air.

Taxi Battle of the Day: Uber vs. Lyft

It's heatin' up out there folks.

Fresh Renderings of What San Francisco's New NBA Arena Might Look Like

Evolving designs for the Golden State Warriors' planned new home.

One Man's Quest to Free Street Trees From Their (Literal) Chains

"And I'm just one guy with one set of eyes."

Why Do So Many People Think Gun Violence Is Getting Worse?

For the last two decades, the exact opposite has been true.

10 Playgrounds That Would Put Your Childhood Hangout to Shame

Gigantic crocheted alligators, luminous glowing water spurts, and more.

A Watch That Tells You 16 Different Times at Once

The analog face of the "Time Traveller" displays the time in 16 of the world's 24 time zones using famous city landmarks.

This Cutting-Edge Map Tool Turns Anyone Into a Cartographer

OpenStreetMap debuts a new map editor that will close the gap between grassroots mapping and its giant industry rivals.

Deconstructing New York's Bike-Share Freak Out

Is the city really just "too mean" for shared bicycles?

How Cash-Strapped Cities Will Handle Terrorism

At New York Ideas, Ray Kelly says we should be prepared for more cameras — and smarter cameras.

The Harrowing Tale of a Manhunt Through the Tunnels of Harlem

An alleged jewel thief dodged the police by sprinting through the city's subway tunnels -- all while wearing handcuffs.

An Online-Sales Tax May Not Help Brick-and-Mortar Retailers After All

The sales tax bill will raise billions for states. But whether it will help retailers regain customers lost to the web is another question altogether.

A Gun Giveaway Program, Coming to a City Near You

A Houston nonprofit wants to test the theory that a fully armed neighborhood is a safer one.

Luminous Shots of Grain Elevators Like You've Never Seen Them Before

A Buffalo light show aims to turn the city's symbols of decline into a flashy tourist draw.

Your Rush-Hour Commute as an Animated Cartoon

A playful take on serious transit data.

Delicious Map of the Day: A Pizza Map of All the Pizza Places in Atlanta

Sarah Lawrence, a design student, also created a cake map of the city's bakeries.

Today's California Supreme Court Decision Gives Cities the Right to Shut Down Marijuana Dispensaries

The ruling came down to concerns over land use, not weed.

40-Year-Old Images Show East Boston Grappling With an Expanding Logan Airport

The photographer, while visiting the site again in 2010 said, "none of this is familiar."

Why Your 'Green Lifestyle' Choices Don't Really Matter

All the upcycling in the world can't alter the fact that fossil fuels are safely embedded at the center of our global energy system.