5C Clark. The conditions of economic progress [M]. London: Garland Pub, 1983: 712.
6Bert Hofman, Kelly Labar. Structural chang and energy use: evidence from china's province [J]. China Working Paper Series, 2006 (7) = 138-157.
7H Xiao, R Gu, B Huang. Evaluation the population development level of Yunnan province in westen China using GIS dimensional analy- sis method [J]. Adrance in Intelligent and soft computing, 2011, 111.. 593-599.
8Decai Tang, Fengxia Zhong, Ping song, et al. An evaluation study on the level of china's low-carbon manufacturing based on factor anal- ysis [J]. Energy Procedia, 2012 (12) : 535-540.
9Qian Cheng, Baoren Su, Jin Tan. Developing an evaluation index system for low-carbon tourist attractions in china-a case study examing the xixi wetland [J]. Tourism Management, 2013, 36 (3): 314-320.
10United Nations Industrial Development Organization (UNIDO). The international conference on green industries in Asia Bulletin: Man- aging the transition to resource-efficient and low-carbon industries [EB/OL]. (2015-09-20) [2015-12-01]. http: //www. unido. org/ greenindust ryconference, html.
