Table of Contents
They’re hanging on by a fingertip—without a rope.
The Big Idea: Saving Forests
A new way of measuring the carbon in forests may help keep them from being cut down.
Photo editors are behind-the-scenes heroes of a photographer's work, and David L. Arnold was among the best.
Decorate your desktop with beautiful images from this month's issue of the magazine.
Visions of Earth
Each month, National Geographic features breathtaking photographs in Visions of Earth.
Submit your photo, check out Your Shot jigsaw puzzles, and see reader photos published in National Geographic.