Abstract
The problem of water shortage and pollution exists in Taiyuan. Under the advocacy of the concept of green development, it is necessary to carry out the research on the green efficiency of water utilization (WUGE) from the three-dimensional perspective of “economy environment society”. In this study, the evaluation index system of WUGE was optimized, which consist of 17 attributes. Interval analytic hierarchy process is used to determine the weight of attributes, and multi-attribute decision making approach is used to evaluate the WUGE from 2009 to 2018. The evaluation results show that the comprehensive evaluation value of WUGE in 2018 is the highest.
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