We now treat half the world's wastewater – and we can make inroads into the other half

By Edward Jones, PhD Candidate, Department of Physical Geography, Utrecht University

Humans flush away vast amounts of water every day. When managed correctly, this wastewater is collected and undergoes treatment to remove pollutants that can otherwise threaten human and environmental health. In my latest research I estimated that more than 50% of the world’s domestic and manufacturing wastewater now follows this pathway, rather than the previous estimates of just 20%.

While this sounds like good news,…

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