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Karen Birdsall

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Articles written by Karen Birdsall


“Uncomfortable truths: How Shit Flow Diagrams expose the gaps in urban sanitation systems – and help to close them” (Teaser)

  129        17. July 2023

“Looking back, one can almost pinpoint the moment when the urban sanitation orthodoxy in Lusaka, Zambia began to falter. It involved a diagram, compact enough to fit on a single sheet of paper, featuring roughly a dozen red and green lines of varying thickness which snaked their way across the page. 

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