An aerobic digestion toilet (1) including a chamber (2) and a toilet bowl (3) above the chamber, said chamber having an oulet vent (4) and means for generating convection flow through the chamber from adjacent the floor thereof through the oulet vent from the chamber, whereby a conveyor (16) is mounted within the chamber and is located below the toilet bowl and configured to receive material falling from the toilet bowl and move it upwardly at an incline to discharge onto a downwardly inclined tray (21) for subsequent disposal.