Infrastructure & Environment

From Worst to First: Can Hawaii Eliminate Fossil Fuels?

The state is working toward becoming the first to get 100 percent of its energy from renewable sources. Getting there won’t be easy.

Streetlights May Be Hurting Public Health

Many municipalities have switched to LED streetlights to save energy and money. But the change still comes at a cost.

Simulating a World Without Climate Change

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

Bike Share Isn’t Just for Big Cities

Smaller communities are increasingly adopting bike-sharing programs. But they look a lot different than those in big cities.

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