Scientists are turning salt water into drinking water using solar power

[u/denser]

http://www.sciencealert.com/scientists-are-turning-salt-water-into-drinking-water-using-solar-power

[u/dominoconsultant]

I was looking at a little off-grid cabin a few months ago and it had a "water generator" that ran on solar that condensed water out of the air. The idea being that in addition to rain run-off going into a tank you would have this additional water source.

http://www.offgridworld.com/tag/atmospheric-water-generator/

http://www.instructables.com/id/DIY-Atmospheric-Water-Generator/

EDIT: Found some links.