Around 100 students mapped three stretches of the 15-km Mithi River on Saturday as a trial run to record encroachments, sewage outlets and percolation points using a geographic information system (GIS). As a part of the exercise aimed at conserving the river, students used the app, My Tracks, available on all Android phones to collect the data. The trial was the Mumbai leg of the World Water Walk, initiated by the waterman of India, Rajendra Singh, who began the five-year Vishva Jalshanti Yatra at Gandhi Samadhi in Delhi on Saturday. Read more via Hindustan Times
