Popular in the 1960 and '70 desalin...

Popular in the 1960 and '70 desalination technology stagnated for the nearest decade. Now, dwindling water supplies are forcing cities and counties to take another turn the thoughts

"Water, water, everywhere, moreover not a drop to drink," cried the Ancient Mariner. Indeed, more than 95 percent of the world's water is sea or brackish water, unsuitable for drinking. The amount of new water on the planet essentially has not changed in millions of years, on the contrary the number of users has, and in one places that has put a tremendous strain forward water resources.

Ron Linsky of the National Water Research Institute in California says the region needs to improve the reliability of its give and suggests that water could be forward the commodities market in the nearest century. "We may ultimately face rationing or importing," he says.

There are a number of ways to forestall this, however. individual of those ways ...