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Inside this Issue
SmartPlanet stories related to the world's densest areas of settlement -- how their geography, economies, politics, social characteristics and built environment impact their efficiency as a living, breathing system of systems.
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Smart grids require better protection from cyberattacks, experts say
What is the world's most expensive city?
Top 10 Metro Areas Winning the Solar Race
China's smog 'a nuclear winter,' scientists say
Ghost stations of Paris transformed into galleries, nightclubs, restaurants
The highest rents in the United States are in.... North Dakota
The one easy fix that can vastly improve public transit
Tokyo votes for nuclear power
How snowstorms reveal clues for improving pedestrian safety
In South Africa, once-impoverished townships become trendy night spots
Urban farming goes underground in London
Does free public transit boost ridership?
A 'coffee shop' to ease Berlin's drug problem
This innovation keeps just enough salt on icy roads
Denver vs Seattle: which city wins the energy efficiency super bowl?
Here's what the world's largest human migration looks like
In Korea, old brews get new life
Bike-sharing programs take a hit with Bixi bankruptcy