Abstract: The necessary extent of decreasing environmental load per unit GDP in China before the middle of the 21\+\st\ century was roughly estimated.Recycling of industrial materials on three different scales and issues following with equal interest to them were emphasized.The classification of industrial materials from the viewpoint of large\|scale recycling was stated and the limited possibility of increasing resource efficiency by large\|scale recycling in case of rapid growth of economy was analyzed.The idea of extending Eco\|lndustrial Park (middle\|scale recycling) to involve large\|scale recycling was explained.The necessity and feasibility of active study of the recycling of industrial materials within an enterprise (small\|scale recycling) was pointed out.