Hyderabad Needs to Save Every Drop. What Chennai's Rainwater Harvesting Story Can Teach Us

In 1995, Professor Sekhar Raghavan noticed something unusual about the water coming from his tap in Chennai. It had turned salty.  As groundwater levels fell, seawater was seeping into the city's underground freshwater reserves, making the water increasingly difficult to use. The problem was not that Chennai received too little rain. The city received substantial rainfall, but much of it flowed through roads and drains into the sea instead of replenishing the groundwater beneath its homes. For R

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