Assessment on the contamination and risk of PAHs in a metal smelting area Degradation of organic contaminants with biological aerobic fermentation in sewage sludge dewatering and its influencing factors Soil phosphorous accumulation in long-term P fertilization paddy field and its environmental effects Empirical research on impact of livelihood assets on environmental risk perception of massive pig-raising households Risk assessment in soil phosphorus environment of Guanxi pummelo orchard in Pinghe County, Fujian Province Regional difference of NPK fertilizers application and environmental risk assessment in Jiangsu Province, China. Migration and transformation of anthropogenic platinum group elements in environment: A review. Application of nanoscale material in environmental remediation and its eco-environmental toxicity assessment: A review. Risk management approaches for environmental and human health risks in the United States and Canada