date:Sep 06, 2013
of vast amounts of wastewater, UNU-INWEH director, Zafar Adeel, said.
North America generates about 85 cubic km (20 cubic miles) of wastewater every year, of which about 61 cubic km is treated, roughly the amount flowing over Niagara Falls, and only four percent of that is re-used.
Wastewater also often contained nutrients such as potash, nitrogen and phosphorus which saved fertiliser costs, the study published in the journal Agricultural Water Management said.
Properly treated, wastewater i