The Loneliest Land
In 1888, writer Mary Hunter Austin began exploring the desert. Her love of the blunt, burned land of little rain led to a book, a career, and an environmental legacy.
The Navajo Generating Station was supposed to improve the lives of the native people living in its shadow, but its only real legacy is the polluted skies over the American Southwest.
Bearcams in Katmai National Park and Preserve are capturing impressive scenes from the wild—and changing the nature of park visitation.
Cracking the Nut
The American chestnut almost was wiped out in the 20th century. Can scientists and the Park Service bring back this iconic tree?