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Vast amounts of valuable energy, nutrients, water lost in world's fast-rising wastewater streams

19:00 EST 2 Feb 2020 | AAAS

(Terry Collins Assoc) Vast amounts of valuable energy, agricultural nutrients, and water could potentially be recovered from the world's fast-rising volume of municipal wastewater, a new UN study says.Some 380 billion cubic meters (380 trillion liters) of wastewater are now produced annually worldwide - five times the water passing over Niagara Falls -- enough to fill Africa's Lake Victoria in roughly seven years, Lake Ontario in four.And wastewater volumes are seen rising: 24% by 2030, 51% by 2050.

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