United States

The Edge of Night in Texas

Light pollution is the easiest to stop and even reverse. Why aren't we doing more to achieve it?

When we set out to climb Enchanted Rock, the setting sun turns the 425-foot granite dome...

Egypt

What Lies Beneath

Life, Beauty and Water Scarcity on the Nile

It is a must-do on a visit to Cairo to take a felucca ride on the...

Mexico City

Defending Water, Defending Life

The struggle over clean drinking water taps into a conflict at the heart of life in Mexico City

It’s a Friday evening in Coyoacán, Mexico City, and on the busy thoroughfare of Avenida Aztecas, a...