Global IT services giant Cognizant is joining hands with the Indian Institute of Technology Madras (IIT-M), The Nature Conservancy, Grundfos, and Care Earth Trust to restore the Sembakkam Lake in Chennai. Nearly 7 million litres of fresh water used to flow into the lake every day, but now the 100-acre water body is choking on the trash and aquatic weeds. For this, The entire water and waste management system needs to be overhauled to make the lake sustainable. By removing the solid waste, silt, and invasive plant species, the project hopes to improve Sembakkam Lake’s storage capacity by 50%, improve the water quality, and enhance groundwater recharge.

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