Infrastructure & Environment

A Better Way for Cities to Measure Greenhouse Gases

Until now, there was no universal, comprehensive methodology for cities around the world to measure their emissions. One of the tool's creators explains its power in the fight against climate change.

Blinded by Light Pollution

Artificial light is a growing problem that’s hurting humans and animals. What are cities doing about it?

What Can Cities Really Do About Climate Change?

Grand Rapids, Mich., stands as tangible evidence of what cities can do to reduce human impact on the environment. But the city’s efforts also underscore its limitations.

Utilities Worry Water's Becoming Unaffordable

Water bills have increased faster than any other and show no signs of slowing down, hitting low-income Americans the hardest.

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