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Sydney Declutters Parking Signs With E-Ink

The solar-powered signs post different restrictions based on the time of day.

Why You Don't Really Care About the Next 'Big One'

Terrible natural disasters will come someday, but most people have a hard time worrying about stuff that isn’t imminent.

How Slavery Built Charleston

Two historians are trying to memorialize locations in the city where slaves were openly sold and auctioned. And they’re everywhere.

New York's Luxury Airport Terminal for Animals Is Bonkers

The ARK will make your experience look sorry by comparison.

Yes, Rats Are Being Trained to Sniff Out Land Mines

All they’re asking for in return are some treats and a bit of love.

A Migrant's Trek Through Macedonia

A stressful but critical step in the journey for many Syrians and Iraqis on their way north through Europe.

The Environmentalist Case Against 100% Renewable Energy Plans

It might be technically feasible, but that doesn’t mean it’s the best plan to pursue.

This Solar Panel Is the Size of a $1 Bill

Power up your phone with a solar charger you can stash in your pocket.

Stockholm Is Banning Cars to Promote Green Energy

The city wants its citizens to envision life with fewer cars and more alternate modes of transport.

Meet London's King of Edible Architecture

Carl Warner builds and photographs cityscapes made of produce.

The Many Benefits of Making One-Way Streets Two-Way

Safer traffic, for one thing.

Why San Francisco Voters Must Reject a Housing Moratorium

Refusing to build new housing won’t save the Mission. It’s a strategy that has already failed the city.

Where and Why Walking or Biking to Work Makes a Difference

An active commute matters, wherever you live.

Does Seattle's Trash Monitoring Violate Privacy Rights?

The city’s ban on the disposal of food scraps and other compostables with garbage is met with a lawsuit.

A Green-Thumbed Street Artist Is Making Moss Graffiti

His latest creation is a fuzzy skull-and-crossbones in Grenoble, France.

Millennials Are Creating Their Own Cities: Best #Cityreads of the Week

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

John Boehner Says California's Drought Is Obama's Fault. He's Almost Right

We should be pointing fingers at California lawmakers—not the president.

You Could Get Arrested for Charging Your Phone

Where is it OK to siphon power?

Understanding Carlos Gómez Gavazzo's 'Development Calculator'

Rediscovered two years ago, researchers are still trying to figure out exactly how the thing works.