The Source turned to the people behind the numbers at FAO-AQUASTAT, which for two decades has been collecting, analyzing and disseminating 180+ variables on water resources, water uses and agricultural management for 200+ countries. In the first of five segments, Marisha Wojciechowska-Shibuya interviews programme manager Karen Frenken about the challenges surrounding global data collection, and how to monitor of the SDGs. See link 
