I always thought this seemed like an idea you could potentially see someday, I found it interesting and wanted to share the link for those that don’t stumble upon tech articles very frequently.

ScienceDaily (June 8, 2009) — Not a plant to be seen, the desert ground is too dry. But the air contains water, and research scientists have found a way of obtaining drinking water from air humidity. The system is based completely on renewable energy and is therefore autonomous.  http://www.sciencedaily.com/releases/2009/06/090605091856.htm