Infrastructure & Environment

Simulating a World Without Climate Change

A new tool could help cities test whether (and how much) specific energy policies can slow global warming.

Why Columbus Won the Smart City Challenge

The Ohio capital beat out 77 other cities, including techie San Francisco, with its plans to use technology to solve transportation problems.

Streetcars: If You Build It, Will They Come?

Slow to build and expensive to operate, streetcars could be the most maligned mode of transportation in America. Still, cities keep building them.

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