More than 844 million people around the globe lack access to clean water. One of the challenges is that bacteria from rivers can flow into groundwater sources, polluting what may have been potable drinking water. Building new infrastructure to reroute clean water is expensive, especially for regions that already struggle with extreme poverty. Instead, communities often rely on water filtration systems…..
https://nano-magazine.com/news/2017/7/27/engineering-a-solution-to-dirty-water
