Zhang, Xiaohong; Wu, Liqian; Zhang, Rong; Deng, Shihuai; … - In: Renewable and Sustainable Energy Reviews 18 (2013) C, pp. 259-270
environmental protection investment during 2000–2007. Conventional energy and emergy are applied to quantify energy consumption and … emissions’ impact, respectively. The five indicators based on money, energy and emergy, including ratio of nonrenewable energy …
