November 21, 2010
Water quality and availability have become matters of growing concern in South Africa. The yearly renewable freshwater supply per capita currently stands at between 1 000 […]
October 27, 2010
This massive astral power tower just won the 2010 Moon Capital International Design Challenge. Designed by Bryna Anderson, a graduate student from Columbia University, the concept […]
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 […]
May 18, 2010
There is always the possibility that you may find yourself unexpectedly in a survival situation one day. Water is usually the most important factor in determining […]