{"guid":"a296e74c-7bc2-5aba-a333-91e8de9e16dd","title":"An Appreciation of Ecological Sanitation (or Turds for Nerds)","subtitle":null,"slug":"emf2026-73-1-an-appreciation-of-ecological-sanitation-or-turds-for-nerds","link":"https://www.emfcamp.org/schedule/2026/73-an-appreciation-of-ecological-sanitation-or-turds-for-nerds","description":"Our modern sewage system relies on vast amounts of water and this causes huge problems.\nPerhaps the greatest being that the anaerobic  microbes that break down human waste  in water  are inefficient,  produce   greenhouse gases,  and then waste  ends up in the rivers and seas producing algal blooms and foul smells. Whereas their descendants on  land  (aerobic microbes) are extremely efficient and only produce CO2, H2O and organic matter.\n\nSo what went wrong?\n\nI will describe the history  of the modern sewage system and how it broke the natural nutrient cycle, causing pollution, health problems and costing a lot of public money,\nand then conclude with  the  maths, chemistry and  biology of  a micro  self-sustaining aerobic sewage system on a houseboat.\n\nLicensed to the public under https://creativecommons.org/licenses/by-sa/4.0/","original_language":"eng","persons":["Val Wardlaw"],"view_count":6,"promoted":false,"date":"2026-07-17T16:10:00.000+02:00","release_date":"2026-07-17T00:00:00.000+02:00","updated_at":"2026-07-17T23:00:06.946+02:00","tags":["7301","2026","emf2026","talk","Stage C","emf2026-eng","Day 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