The wetlands system processes about 60 percent of Kolkata’s sewage free of charge, saving the city over $64 million a year. Farms in the wetlands provide about 150 tons…Continue readingThe ‘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. Farms in the wetlands provide about 150 tons…Continue readingThe ‘kidneys of Kolkata’: Indian wetlands under threat