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发展中国家的城市固体废物管理挑战——肯尼亚案例研究

Municipal solid waste management challenges in developing countries--Kenyan case study.

作者信息

Henry Rotich K, Yongsheng Zhao, Jun Dong

机构信息

College of Environment and Resources, Jilin University, Changchun 130026, China.

出版信息

Waste Manag. 2006;26(1):92-100. doi: 10.1016/j.wasman.2005.03.007. Epub 2005 Jul 11.

Abstract

This paper provides an overview of the state of municipal solid waste management (MSWM) by local authorities in Kenya as a case study of a low-income developing country. Approaches of possible solutions that can be undertaken to improve municipal solid waste (MSW) services are discussed. Poor economic growth (1.1% in 1993) has resulted in an increase in the poverty level which presently stands at 56%. Migration from the rural areas to the urban areas has resulted in unplanned settlements in suburban areas accommodating about 60% of the urban population on only 5% urban land area. Political interference also hampers smooth running of local authorities. Vulnerability of pollution of surface and groundwater is high because local authorities rarely considered environmental impact in siting MSW disposal sites. Illegal dumping of MSW on the river banks or on the roadside poses environmental and economic threats on nearby properties. Poor servicing of MSW collection vehicles, poor state of infrastructure and the lack of adequate funding militate against optimization of MSW disposal service. The rural economy needs to be improved if rural-urban migration is to be managed. Involvement of stakeholders is important to achieve any meaningful and sustainable MSWM. The role of the informal sector through community-based organizations (CBOs), Non-Governmental Organizations (NGOs) and the private sector in offering solutions towards improvement of MSWM also is explored.

摘要

本文概述了肯尼亚地方当局的城市固体废物管理(MSWM)状况,作为低收入发展中国家的一个案例研究。文中讨论了为改善城市固体废物(MSW)服务可采取的可能解决方案。经济增长不佳(1993年为1.1%)导致贫困水平上升,目前贫困率为56%。从农村地区向城市地区的迁移导致郊区出现了未经规划的定居点,仅占城市土地面积5%的郊区容纳了约60%的城市人口。政治干预也阻碍了地方当局的顺利运作。地表水和地下水污染的风险很高,因为地方当局在选址城市固体废物处置场时很少考虑环境影响。在河岸或路边非法倾倒城市固体废物对附近房产构成环境和经济威胁。城市固体废物收集车辆的维护不善、基础设施状况不佳以及缺乏足够资金不利于城市固体废物处置服务的优化。如果要管理城乡迁移,就需要改善农村经济。利益相关者的参与对于实现任何有意义和可持续的城市固体废物管理至关重要。还探讨了非正规部门通过社区组织(CBO)、非政府组织(NGO)和私营部门在提供改善城市固体废物管理解决方案方面的作用。

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