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  Recent Advances in Solar Water Pasteurization discusses how water can be made safe from contamination by harmful microorganisms by pasteurizing water at a temperature of 66 degrees Celsius. The lower temperature avoids energy waste due to overheating the water, and also allows solar cookers to do the heating. A 2002 report by the Pacific Institute estimates that 76 Million Could Perish From Water-Related Disease by 2020. Most of the deaths are small children. Simple devices like solar water pasteurizers would reduce the number of deaths. |
