Clean water can ‘grow’ on trees

Scientists have known for a while about the water-purifying properties of seeds from Moringa olfeira, the so-called “miracle tree” that’s native to northwest India but can grow in many other parts of the world. But past approaches to using the […]

Toilet water? You could be drinking it

It’s hard to know whether to take this as good news or bad news: the US National Research Council (NRC) says we might soon worry less about water shortages thanks to technology advances that would let us turn municipal wastewater […]


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