The contribution of the cement industry to establishing the “Sound Material Circulation Society” was remarkable in the last decade, treating ferrous and non-ferrous metals slag, industrial and municipal wastes, and making them raw materials for producing cement. Recently, the cement industry has expanded their field not only to recycling but also to waste treatment such as soil remediation, digging up the former land fill sites. This paper describes recent activities of the cement industry about environmental conservation, in relation to cement production process and environmental regulations. Also the paper discusses the future destination of cement industry for creating the sustainable society.
