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Since the carbon peaking and carbon neutrality goals was included into the ecological civilization construction system, every province and city in China have been actively released their local the carbon peaking and carbon neutrality plans for the “14th Five-Year Plan”. To address the problems of slow updating of carbon emission data and low accuracy of traditional forecasting models, this paper used data from Chongqing, China, to conduct a study on the subject. this paper measured carbon emissions according to the IPCC method，and assessing the development process of resources and environment by means of decoupling analysis. The important factors influencing carbon emissions are selected by the grey correlation method, and the scenario forecast indicators are constructed according to the relevant policy documents of Chongqing, and the important factors and the consumption of coal, oil and natural gas are taken as the inputs of a single forecast model. The following conclusions were obtained: by comparison, the PSO-ELM model is the best model for predicting carbon emissions in Chongqing. The following conclusions were obtained: the combined PSO-ELM prediction model has lower prediction error and higher accuracy, and is more suitable for carbon emission research. The prediction results show that the carbon emissions in Chongqing during the “14th Five-Year Plan” still maintain upward trend, but the growth rate has slowed down compared with 1998-2018, and the carbon emissions tend to stabilize. Overall, there is a weak decoupling between carbon emissions and GDP in Chongqing from 1998 to 2025.

Abstract. Enterprise human resources demand forecasting is an important part of human resources planning, constructing the human resource demand forecasting model which matches with the organization development can support the enterprise development strategy and has an important significance for the development of enterprise. Aiming at the large central enterprise group staff characteristics and practice features of human resource management, this paper builds a forecasting demand model of human resources including performance development model, and take domestic grid enterprises of large-scale power as an example to carry out empirical research. The results show that the model can effectively reflect the strategic objectives of enterprise, and has an important effect on further development of the strategic human resource management superiority and the promotion of enterprise human resources demand forecasting's accuracy.

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