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Based on the rapid development of green finance and the panel data of 30 provinces in China (excluding Tibet, Taiwan, Hong Kong and Macao) from 2007 to 2020, to deeply discuss the relationship between financial development (FD), technological innovation and environmental pollution (EP) control is the centre of this article by using panel fixed-effect and intermediary effect model. The influence of FD on EP is tested by building a benchmark regression model. In addition, the intermediary effect model is adopted to explore how FD affects EP control through technological innovation mechanism. The conclusions show that China's FD can effectively promote regional EP control on the whole, and FD can improve EP through technological innovation mechanism, but there is significant regional heterogeneity: compared with high government intervention areas, FD can promote EP control through technological innovation in low government intervention areas. Therefore, it is suggested that all regions promote the construction of financial infrastructure, upgrade the level of regional financial marketisation, speed up the realisation of regional technological innovation and EP control. This work is conducive to the formulation of appropriate government policies to promote the improvement of the financial system and the establishment of innovative mechanisms, and the reasonable reduction of government intervention and the improvement of the efficiency of financial resource allocation based on the needs of financial market players. [ABSTRACT FROM AUTHOR]

Geothermal power has received a great deal of attention in China as the country strives to be less dependent on coal energy and to seek stable and base load renewable power. The country's 13th Five-Year Plan for geothermal energy calls for an additional 500 MW by 2020. To assess whether this ambitious target can be achieved, this paper provides an overview of the environmental and economic performance of geothermal power based on an emergy evaluation and economic analysis of the Yangbajain plant in Tibet, the largest working geothermal power plant in China. The results indicate that the full flow system that the plant currently uses has a much higher production efficiency than the dry steam geothermal power plant in Italy. In addition, the system exhibits a relatively good environmental sustainability compared to other renewable energy generation technologies. However, it is still not economically feasible without government subsidies. Labor is expensive due to the high demand for trained professionals and the harsh working conditions in Tibet. Since China's high-quality geothermal resources are mainly located in Tibet, it would be quite challenging to achieve the ambitious 500 MW target by 2020. However, considering its environmental competitiveness, attractive subsidy policies and support for scientific research to promote technological innovations are proposed in this study to encourage the growth of the geothermal power industry in China, which would provide the country with another valuable alternative to coal. • The development course of geothermal power in China was reviewed and analyzed. • The Yangbajain geothermal power plant was assessed via emergy and economic methods. • It obtains good environmental performance but has no economic competitiveness. • Future directions of the geothermal power industry in China were discussed. [ABSTRACT FROM AUTHOR]