Protect Pallikaranai Marsh, Restore Buckingham Canal, Save Chennai – A Critical Priority for Chennai’s Flood Mitigation
Introduction The Chennai River Basin, covering 4,959.1 square kilometers in North Tamil Nadu, drains into the Bay of Bengal through four major rivers: the Araniar, Korattalaiyar (Kosasthalaiyar), Cooum, and Adyar. Unlike other sub-basins, the Kovalam sub-basin, which spans about 812 square kilometers, doesn’t form a river. Instead, it drains water through low-lying land that creates



