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A project of Team Humans Club
4194 problems catalogued
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Making sanitation services viable in flood-prone informal settlements

open Nigeria, Africa WS04065
Design toilets, containment, emptying, transport, and treatment systems that function during floods without exposing residents or sanitation workers to waste.
Added by: Ian Patel
Created at: 2026-02-07T16:25:17Z
Horizon: 2030
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WS04065 | World Solve | https://worldsolve.org/index.php?view=problem&id=4065