News tagged with waste water

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New loo turns poo into power

Scientists from Nanyang Technological University (NTU) have invented a new toilet system that will turn human waste into electricity and fertilisers and also reduce the amount of water needed for flushing by up to 90 per ...

dateJun 26, 2012 in Energy & Green Tech
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Fresh city tomatoes, any time

Why not produce lettuce, beans and tomatoes where most of the consumers are to be found: in the city? The flat roofs of many buildings are well-suited for growing vegetables. Rooftop greenhouses can also make ...

dateFeb 09, 2012 in Other
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