Each year, countless birds die after colliding with buildings. But simple solutions exist, from tiny dots on glass to turning out the lights.

Each year, countless birds die after colliding with buildings. But simple solutions exist, from tiny dots on glass to turning out the lights.

With the American Southwest facing a drier future, cities from L.A. to Las Vegas are getting creative about wise water use.

A new law — the first of its kind in the U.S. — has made it much easier for detained Coloradans to cast a ballot. In India, where land ownership offers a path to empowerment, legal clinics are helping ...

This is part two of a two-part series on ways that coal infrastructure is being repurposed to meet the needs of renewable energy. Read part one here. For four decades, the Oklaunion Power Plant has ...

This is part one of a two-part series on ways that coal infrastructure is being repurposed to meet the needs of renewable energy. Read part two here. From Europe to North America, an energy revolution ...

When Stockholm’s Traffic Office conducted a general assessment of street traffic in the Swedish capital in 2001, it came to the shocking conclusion that two-thirds of all trees in the city center were ...