Poo is Precious

Human poo contains precious nutrients, but we flush it down the drain to become wastewater. Wastewater often pollutes rivers, lakes, or ocean. The high levels of nutrients in wastewater, primarily from human and pee, can decrease amount oxygen ocean, killing fish that eat along with other organisms. In old days, humans animals was used on farms, as fertilizer. But this is not a practical option for large volumes wastewater produced cities. What if could be solve rather than create environmental problems? Using single-celled, water-dwelling plants called microalgae treat has many benefits. Clean water helps everyone. Recycling using them fertilizers will help farmers. Also, useful products like fuels plastics made these algae. New cheaper treatment technologies are needed better future. You part solution!