Breathtaking Desert Photos Don't Show How Thirsty it is (Slideshow)
Image credit: Ladislav Kamarad
The desert is an inescapably beautiful place. The extreme temperatures, sandy dunes, and expansive landscape is at once primal and otherworldly. A trip into one of the world's great deserts, even if only for a short time, is the adventure of a lifetime.
Yet, for many people around the world, the desert is an ominous, growing force. Driven by human action, deserts are expanding—swallowing farms and towns along the way. Forecasts predict more than a third of the world's landmass is threatened by desertification.