Comparative analysis of solid waste management in cities around the world

摘要: SUMMARY : This paper uses the new data set compiled on 20 cities in six continents for UN Habitat flagship publication ‘Solid Waste Management World’s Cities’. The comparative analysis looks first at waste generatio n rates and composition data. A process flow diagram is prepared each city, as a powerf ul tool representing solid system whole comprehensive but concise way. Benchmark indicators are presented compared three key drivers / physical componen ts of an integrated sustainable management (ISWM) ‐ public health collection, environment disposal resource recovery governance strategies req uired to deliver well functioning ISWM inclusivity, financial sustainability sound institutions pro-active policies. Key insights include importance informal rec ycling sector many developing country cities; they not only recycling compa rable modern Western systems, also save city authorities millions dollars avoided collection costs.