
#Cities surveyed by OECD are losing a fifth of their #water supply through leakage https://t.co/MOJyGbz6Pq #WWWeek https://t.co/wMPuG3dIFp
Source by OECD

#Cities surveyed by OECD are losing a fifth of their #water supply through leakage https://t.co/MOJyGbz6Pq #WWWeek https://t.co/wMPuG3dIFp
Source by OECD