Another idea is to put human waste into properly managed fish ponds that can then be harvested for more food: https://www.lowtechmagazine.com/2021/03/urban-fish

Another idea is to put human waste into properly managed fish ponds that can then be harvested for more food: https://www.lowtechmagazine.com/2021/03/urban-fish-ponds-low-tech-sewage-treatment-for-towns-and-cities.html https://www.lowtechmagazine.com/2021/03/urban-fish-ponds-low...