The management of solid waste has become a major problem in developing countries and a large fraction consists of organic household waste. This book investigates the environmental impacts and health hazards as a result from inadequate management of this waste flow. It also reports on existing decentralised composting and anaerobic digestions technologies, including: windrow, box/bin/barrel, THM, aerated static pile, in-vessel, vermi, ARTI compact biogas digester and BARCS NISARG-RUNA. The common constraints for successful implementation of these technologies are discussed, as well as ...