News — Permaculture

Different settings of composting toilets will be compared, and both advantages and limitations discussed. Composting toilets are almost certainly an ancient technology that predates literate society. The simplest composting toilet design possible may involve a hole in the ground to collect human waste, and a supply of carbon nearby, such as sawdust, to assist in aerobic composting. Once composted, the result is sometimes called ‘night soil’. Composting toilets save water and reduce the requirements for cleaning chemicals at water treatment facilities, and so are eco-friendly. However, the biggest saving lies in constructing houses or even housing complexes from scratch that...