Desalination of Sea Water: for a thirsty world drying out

Desalination:

Desalination Plant:
  http://www.youtube.com/watch?v=9bUCH-HyCek&feature=related

Solarwave Purification Tech Starts in Kenya:
  http://www.youtube.com/watch?v=HNmK0G9jrvs&feature=related