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water pollution, COVID 19, dead bodies, industrial effluents, untreated sewage, plastics and underwater noise pollution, deteriorating water quality, The Ganga
29 December 21
India
The river’s biggest problem is untreated sewage. One study reported that the prime cause of its deteriorating water quality was untreated sewage from urban areas. Another, by environmental scientists including Sanjay Dwivedi of Lucknow’s National Botanical Research Institute, found that untreated sewage accounted for 75% of its filth.
Another problem is barrages and hydroelectric projects divert more than half the water away, reducing flow in the river’s main stem and concentrating pollutants.
Science the Wire