The Big Thaw - National Geographic Magazine

From the June 2007 issue of National Geographic magazine. From Greenland to Antarctica, the world is losing its ice faster than anyone thought possible. Can humans slow the melting?

The New Oil Landscape - Video: What is Fracking? - Pictures ...

The fracking frenzy in North Dakota has boosted the U.S. fuel supply—but at what cost? Watch this video animation to see how the process of hydraulic fracturing, or fracking, is used to extract oil and natural gas from shale formations deep underground.

Pine Beetle Epidemic - Graphic: Death by a Thousand Bites ...

For centuries the relationship was mutually beneficial: Pine beetles culled older, weaker trees, producing new beetles but also a healthier forest. Climate change, with its warmer, drier conditions, has upset that balance, leaving even healthy trees vulnerable to attack.