All the roofs have rain water collectors and the water is used to sprinkle the site so the dust doesn't become a problem. (treehugger.com)
Also, with a little redesign, some of the massive amount of driveway space could be used for ground - mounted solar hot water collectors for solar radiant heat. (jetsongreen.com)
Researchers have proposed similar water collectors before, but most need electricity or high humidity to function. (discovermagazine.com)