Composting toilets work by separating liquid ... Finally, the contraption usually has a toilet seat, and a storage for carbon-laden substances like peat moss, coconut coir, or saw dust.

Image caption, The seat of a garderobe in a Norman castle ... Image caption, An earth closet is better known today as a composting toilet. By the late 1800s, many workers’ homes in ...

ALBUQUERQUE, N.M. (KRQE) – In an effort to expand the number of public restrooms in the metro, a volunteer group is discussing the idea of installing composting toilets in the areas of town that ...