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Paper‐based composite packages, which have been widely used for beverage in modern daily life, are featured of nutrition preservation and convenience. However, it is also causing environmental problems in urban areas because of the low recycling rate. The introduction of extended producer responsibility (EPR) is helpful to improving the recycling rate of beverage paper‐based composite packaging by...
The coordination of economy, energy, and environment plays an important role for cities seeking green transformation and sustainable development. However, poor information and equivocal data are what often face the related analysis. In this paper, the correlation and synergy of the urban economy–energy–environment system are analyzed. First, the Grey relational analysis and entropy weight method are...
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