Research on the method of emergy analysis applied in Eco-evaluation

Emergy analysis system was established for eco-campus, different types of emergy can be unified into a comparable value; through analysis, the range reflects the economic environment and emergy indicators. It combines socio-economic system with natural system to form comparable entity. Depending on the data of Tianjin Polytechnic University old campus, new campus and Tianjin University, emergy analysis tables are established. Meanwhile, on the basis of the data, EA index system and input-output relation which embodies the ecological value of university is designed.