May 4, 2011
About 70 percent of the earth is covered with water. But 97 percent of this water is in seas and oceans. This water is saline in […]
May 19, 2010
Aboveground Solar Still Above-ground solar still You can use stills (aboveground and belowground) in various areas of the world. They draw moisture from the ground and […]
March 24, 2010
A WATER-stressed rural community of Mount Ayliff in Transkei has been given some relief with water made from fog. The project, which was made possible by […]