Nature

Tree Wizard

Cycle,surf, ski, climb—13 apps that put you a click away from the beta you need, including the Leafsnap field guide app.

Number One With a Bullet

Kaziranga National Park in India boasts two-thirds of the world’s one-horned rhinos and its highest density of Bengal tigers—both among the region’s most heavily poached species. The secret to the...

The Big-Shake, Big-Wave Theory

If a megaquake like the one that hit Japan last march were to strike the U.S., the Pacific Northwest coast would be the likeliest spot.

Wild British Columbia

In 2008, the energy-giant Enbridge proposed a $5.5 billion pipeline that would shuttle a half million gallons of oil--everyday--from Alberta’s tar sands to oil tankers working British...