(Israel21c & phys.org) Fresh looks at the ecosystem built by Ben-Gurion University and the Central and Northern Arava Research and Development Center. It produces a variety of freshwater and salt-hardy crops that feed on saline wastewater from the solar-powered desalination process.
http://israel21c.org/environment/israel-confronts-world-hunger-with-a-solar-powered-desert-oasis/
http://phys.org/news/2012-05-successfully-solar-desalination-arid-agriculture.html