Responsible for exploitation at Edar water treatment company Carlos Lardin explains how sewage recycling is used for agriculture, in Torres de Cotillas near Murcia, southern Spain, on June 15, 2023. Some 23 years ago, Murcia -- an arid region with chronic water shortages that claims to be the EU's leading producer of fruit and vegetables -- set itself a huge challenge of reusing wastewater to irrigate its crops. (Photo by JOSE JORDAN / STR / AFP)
