It means a group consisting of connected enterprises, specialized suppliers, service suppliers, financial institutions, and relevant industry manufacturers with competition yet cooperation and centralization in geography in a particular area.

·Industry cluster increases overall industry competitiveness

·Industry cluster strengthens inner effective cooperation

·Industry cluster improves innovation and development of enterprises

·Industry cluster exerts resource-sharing effects, which is beneficial to form "Location Brand"

It is an economy where substances will circle in a closed loop, which means changing the traditional economy of linear growth depending on resource consumption into the economy developing through ecological resource circulation, during the course of resource input, manufacture, consumption and disuse in the big system of human, natural resources and science and technology. It is a economic model aiming at efficient and circular utilization of resources on the principle of "reduction, reuse, recycle", operating according to material circulation and energy flow of natural ecosystem and characterizing substance circulation in a closed loop and echelon usage of energy.

·For resource exploitation, overall development and recycle rate should be improved.

·For resource consumption, resource utilization rate should be increased.

·For offal, overall resource utilization should de developed.

·For renewable resources, various used resources should be retrieved and recycled.

·For social consumption, green consumption should be advocated.

It refers to technologies in general which can reduce existing energy and resource consumption, negative impact on environment and efficient utilization of natural resources. Clean technique is an industry which will decrease environmental pollution and dependence on resource to fulfill the needs of human environment, and supply products, crafts, and service for sustainable development of society and economy. It mainly involves four respects which are new energy, efficient energy conservation, environmental protection and clean production, referring to 11 fields comprising of production, storage, infrastructure and efficiency of energy, transportation, water resource and treatment, air quality and environment, material, manufacture industry, agriculture, offal treatment and recycle.

·Offering better performance with less cost

·Reducing or dispelling negative ecological impacts to a great extent

·Improving utilization efficiency and responsibility for the natural resources

Develop green capital markets in developing countries and areas, and restrict financing channels for enterprises with heavy pollution by means of mature market measures from two respects, indirect financing (enterprises make financing through issuing bonds and stocks) and direct financing (enterprises obtain loans from commercial banks). As to indirect financing, it can be realized by encouraging and leading commercial banks to implement green credit policy mainly; For direct financing, it can be implemented mainly with policies of green securities including green market access system, green additional issue and rationed share system, and environmental performance disclosure system.

·Setting up green capital market is the important component for China’s establishment of environment economic policy system. Green credit, which has already taken the lead in issuing as the first item of environmental economic policy, together with green securities indicates China management frame of green capital market has taken shape basically.

·China will also introduce policies such as green trade, green tax revenue, environmental compensation mechanism of regional basins, emission right trade successively to form the integrated Chinese environmental economic policy system finally.