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Environmental performance evaluation (EPE) can quantify the effects of environmental management and provide guidance for environmental planning and management. This research applied Pressure-State-Response (PSR) model and the theme framework to build the EPE indicator system on urban scale. We identified three 2nd class indicators: environmental efficiency, environmental quality, and environmental governance, with five 3nd class indicators under each. The proximityto- target approach and average-weighted method were adopted to calculate the environmental performance indexes (EPIs) of 13 cities in Jiangsu province in 2015. The results showed that the EPIs of 13 cities ranged from 58.41 (Lianyungang) to 74.98 (Suzhou), and had significantly positive correlation with economic level (Gross Domestic Product, GDP). From the perspective of spatial distributions of EPIs, most of the cities, gathered in middle part of Jiangsu province, reached good level, but the rest cities shared big differences. For the EPIs of 2nd indicators, different regions have different performance. The southern regions performed well in environmental efficiency and environmental governance. The central regions got high scores in environmental efficiency and environmental quality generally, and the northern regions were the best performers of environmental quality. Furthermore, these 3nd indicators, including water consumption per 10,000 RMB GDP, days of AQI≤100, industrial water recycling rate, general industrial solid waste utilization rate, and straw comprehensive utilization rate, were the main limit factors to EPIs.
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