80% of toilets in Hong Kong are flushed with seawater in order to conserve the city’s scarce freshwater resources
Flushing Toilets With Seawater Could Protect Marine Life Environment: Salty wastewater is less toxic to some marine organisms than freshwater, despite concern about disinfection by-products In Hong Kong, about 80% of residents flush their toilets with seawater, thanks to a separate water distribution system set up in the 1950s. The approach conserves the city’s scarce […]