How to Make Water in the Desert

The desert is hot and dehydration can set in quickly. If you are stuck or stranded in the desert, you can use the sun to generate a sufficient amount of water for yourself.

This article discusses the concept of a "Solar 'still", or distillery. It can be used to collect water from soil in any climate, given enough sunlite and existant soil moisture.
http://wiki.ehow.com/Make-Water-in-the-Desert