Meet Anna Luísa Beserra, a Brazilian scientist whose teenage idea turned dirty water into drinking water using just sunlight

Anna Luisa Beserra established Safe Drinking Water for All to focus on creating affordable sanitation and water solutions. Among her innovations is Aqualuz, a system harnessing sunlight to purify rainwater, benefiting over 10,000 individuals. She also developed Aquasalina, Aquafilter, and Aquatorre to serve diverse community requirements, while training local technicians for sustainable practices.