wastewater
About 4.5 billion people around the world still lack access to safely managed sanitation and 80 per cent of the world’s wastewater is released untreated.
About 4.5 billion people around the world still lack access to safely managed sanitation and 80 per cent of the world’s wastewater is released untreated.
@2020 Energi Media Ltd., | Covering Energy’s Tommorrow
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