More and more attention has been drawn to urban old landfill sites and their stored municipal solid waste,which could bring recyclable resources' waste,environmental pollution and urban land occupation and became a serious challenge for cities' development. Current progress on the characteristics,physical and chemical properties and the ecological restoration technologies of urban old landfills and their stored municipal solid waste was summarized in this paper. Based on the reviewed literatures,researching directions in the area of landfill mining and its eco- remediation were put forward,inc...
