Abstract
A low-carbon economy is an inevitable choice for achieving economic and ecological sustainable development. It is of significant importance to analyze a city’s low-carbon economy development level scientifically and reasonably. In order to achieve this goal, we propose an urban low-carbon economic development level evaluation model based on the matter-element extension method. First, we select some indicators from the existing indicator system based on past research and experience. Then, a matter-element model is established on the basis of weight to evaluate the level of a city’s low-carbon, the critical value of each index is determined through the classical domain and the section domain, calculating the correlation degree of a single index and a comprehensive index. Finally, we analyze the low-carbon economy development status and future development trends according to the analysis results. In this study, we select Shanghai as an empirical study—the results show that Shanghai is a city with a low-carbon level and there is a trend of further improvement in Shanghai’s low-carbon economy. But its low carbon construction and low carbon technology investment are relatively low. In summary, this method can provide another angle for evaluating a city’s low-carbon economy.
Highlights
The 21st century will be an era of the low-carbon economy
In view of this, based on the existing research results, this paper constructs an urban low-carbon economic development level evaluation index system based on the PSR (Pressure State Response) framework and proposes an evaluation method of matter-element extension model based on entropy weight
Taking Shanghai as an example, the results show that it can overcome the one-sidedness of the evaluation of urban low-carbon economic development and eliminate human factors as much as possible
Summary
The low-carbon economy was first proposed by the 2003 British White Paper “The Future of Our Energy: Creating a Low-Carbon Economy”. It provides more economic output by reducing the consumption of natural resources and reducing environmental pollution, it is a way and an opportunity to create a higher standard of living and a quality of life and it creates opportunities for the development, application and export of advanced technologies. We can horizontally analyze the low-carbon economy level among cities and vertically compare the differences between the various indicators This model provides a reference value for the evaluation and analysis of the low carbon economic development level in other cities
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