According to the U.N., more people die every year from drinking unsafe water than from war (30,000 deaths per week). Researchers at the University of Texas at Austin have developed a new, inexpensive device that uses sunlight and a special hydrogel to both purify and desalinate water, a potentially game-changing breakthrough for the one in nine people who have limited access to clean, fresh water. Without new technologies, the U.N. estimates that the proportion of people without access to clean, fresh water will rise to one in four by 2050. news.utexas.edu/2018/04/03/water-purification-breakthrough-uses-sunlight-and-hydrogels
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