The Cooum River, once a sacred river that shaped the history of Madras, has now become a sad sign of urban degradation. For the millions of residents in Chennai, it has transformed into a malodorous, polluted, and stagnant channel, burdened with solid waste accumulation and extensive encroachments along its banks. During a recent datajam organised by Oorvani Foundation and OpenCity, we used Geographical Information System (GIS) datasets and population analytics to investigate the underlying causes contributing to this crisis. The results show that rapid urbanisation, inadequate provision of essential civic infrastructure, and the absence of coherent policy frameworks, along with…
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