Clean with coir
Biofilter for domestic wastewater
In court
Researchers discover friendly bacteria from CETPs
Tamarind powder to treat wastewater
Newspaper pulp to treat zinc
Peanut shells can clean water
Domestic wastewater as fish food
West Bengal's wetlands under threat
In court
Waste Mismanagement: An open secret
Indian Railways' experimentation with eco-friendly toilets
Researchers engineer landmass to treat sewage in wastewater