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Industrial water-use technical efficiency and potential reduction of CO2 emissions: evidence from industry-level data
Carbon Management ( IF 2.8 ) Pub Date : 2019-10-16 , DOI: 10.1080/17583004.2019.1661733
Wen-Cheng Lu

This article analyzes the relationship between industrial water-use efficiency and carbon dioxide for 14 industries from 1998 to 2015 using a true fixed-effects stochastic frontier model. The highest water-use efficiency is that of the rubber products manufacturing industry, approaching 0.62. The average water-use efficiency score across industries is 0.30 for the period. The potential water conservation for the various industries ranges from 4.07 to 212.67 million cubic meters. Further examination of potential reduction for CO2 emissions shows that it ranges from 0.63 to 32.33 million kilograms. The reduction of CO2 emissions for the various industries on average is 12.19 million kilograms. These results exhibit great room for improvement in water-use efficiency; making these improvements will eventually improve CO2 emissions. Water conservation can be viewed as a part of policy to reduce CO2 emissions. The results obtained from this study can help in formulating appropriate policies to face both water supply crises and climate change.



中文翻译:

工业用水技术效率和潜在的CO 2排放量减少:行业水平数据的证据

本文使用真实的固定效应随机前沿模型分析了1998年至2015年14个行业的工业用水效率与二氧化碳之间的关系。最高的用水效率是橡胶制品制造业,接近0.62。该期间各行业的平均用水效率得分为0.30。各个行业的节水潜力为4.07到2.167亿立方米。进一步检查可能减少的CO 2排放量表明,其排放范围为0.63至3,233万千克。减少CO 2各个行业的平均排放量为1219万公斤。这些结果显示出提高用水效率的巨大空间。进行这些改进将最终改善CO 2排放。节约用水可以被视为减少CO 2排放的政策的一部分。这项研究获得的结果可以帮助制定应对水危机和气候变化的适当政策。

更新日期:2019-10-16
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