titled "Sick Water?" -- 90 percent of wastewater discharged daily in developing countries is untreated, contributing to the deaths of some 2.2 million people a year from diarrheal diseases caused by unsafe drinking water and poor hygiene. At least 1.8 million children younger than 5 die every year from water-related diseases, the report was quoted as saying by CNN. But with proper management, the report notes, "wastewater can be an essential resource for supporting livelihoods." For example, some of the chemicals that make wastewater a pollutant, such as nitrogen and phosphorous, can also be useful as fertilizers for agriculture. --MORE
