Aditi Mukherji, principal researcher of the International Water Management Institute, cited UNICEF and World Health Organization as estimating that more than 2 billion people worldwide are subject to water scarcity, while 844 million people have no access to safe drinking water.

“What is alarming is the unchecked use of groundwater in rural India,” Mukherji said. “In as many as 30 percent of the blocks (subadministrative jurisdictions), groundwater extraction is much higher than recharge. This (has led) to steady water level declines for more than a decade in many parts of India, including Chennai,” she said.

 

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