Clean Technica A solar energy water purifier developed in Sweden holds the promise of providing clean, fresh drinking water to the estimated one-sixth of the world’s population that lacks it. The Sollvatten uses the ultraviolet (UV) light in sunshine to kill microrganisms in water, purifying as much as 11 liters of water in 2-6 hours, and can be used two to three times a day.
It’s estimated that lack of clean drinking water puts more than 1 billion people around the world at risk of water-borne bacterial dieseases such as cholera, dysentery, and typhoid. Recognizing the increasingly urgent strains being placed on water resources worldwide, the United Nations has declared 2013 the “International Year of Water Cooperation.” Continue reading “Swedish Solar Water Purifier Offers Clean Water to 1/6 of World Population Lacking It”