💩Sewers are expensive and impractical in non-sewer areas due to various constraints.
🚽Alternative options like septic tanks and pit latrines do not effectively kill pathogens.
☀️Solar toilets concentrate sunlight to burn poop into harmless charcoal.
🌪️Vacuum toilets pressure cook poop into harmless cakes.
💧Steam toilets boil poop into harmless sludge, allowing for easy disposal.