The ‘kidneys of Kolkata’: Indian wetlands under threat
thenewsapi
2023-07-19 00:15
The ‘kidneys of Kolkata’: Indian wetlands under threat
The wetlands system processes about 60 percent of Kolkata's sewage free of charge, saving the city over $64 million a year.

https://www.citizen.co.za/news/news-world/indian-wetlands-under-threat/

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