Research on Index System of Comprehensive Environmental Impact Assessment for Natural Gas Exploration and Development Project

In view of the current problem that the present environmental impact assessment of natural gas exploration and development project was not systematic,an index system of comprehensive environmental impact assessment was put forward in this paper which based on system theory.The comprehensive environmental impact assessment was the comprehensive assessment which included all the environmental impact of policies and regulations environment,natural and ecological environment,resources and energy environment,economic environment,social environment,scientific and technological environment.The specific evaluation factors and indexes for the above six environmental impact assessments were given in the next.