Ecological sanitation

Most of cities in Nepal, except Kathmandu, the sewerage system and onsite sanitation system are very poor due to improper management,, less attention, and lack of political commitment of government of Nepal. The planned and the safe disposal of human excreta is a most for preventing drinking water from pollution and conserving soil fertility. The conventional linear approach to sanitation can cause both environment and health problems. Ecological sanitation is an attempt to move away from linear solutions of waste disposal towards systems based on a circular flow of nutrients. The considers human excreta a resource and not a waste to disposed of ecological sanitation environmentally sound, where excreta are recovered, rendered safe, and recycled into soil, no pollution occurs and the environment is protected. Ecological sanitation is an ecosystem approach of waste disposal based on three key principles that sanitation should be safe from a health perspective, green or non polluting’ and be based on principles of reuse and recycling of the valuable nutrients in human life system. The basic techniques for ecological sanitation are urine diversion, in which urine and faeces are kept separate and urine and faeces are combined and transformed into humus through a composting process.