Almost a billion people at risk from untreated wastewater: study
Almost a billion people at risk from untreated wastewater: study
- Untreated wastewater from cities is used to irrigate 50 per cent more ... are in countries with very limited wastewater treatment, such as China, India, ...
- Untreated wastewater from cities is used to irrigate 50 per cent more ... are in countries with very limited wastewater treatment, such as China, India, ...