Regarding the institutional innovation opportunity of Guangdong-Hongkong regional environmental management from the perspective of the "emission trading pilot scheme for thermal power plants in the Pearl River Delta region";

Study of SO2 emission trading in two control zone;

The paper summarizes the research and application results from the three steps of the SO_2 total emission control and emission trading policy in China.

This paper firstly introduces total emissions control of sulfur dioxide in China, then summarizes the development of emissions trading.

From the environmental management points of view,as an effective way to control pollution,the pollution discharge trade are put forward,the foreign experiences,domestic background and concrete performance are analysed,the favourable conditions to implement this policy in China have taken shape.

Development and challenges in SO_2 emission trading in China;

The reality requirement & validity analysis of emission trading in China;

Discussion on total emissions control and emission trading;

A Suggestion about carrying out Emissions Trading in the Weihe Valley;

Feasibility study of application of emissions trading to SO_2 treatment for Zhejiang electric power industry;

Research on some essential problems in emissions trading;

As an important environment management means,the of marketable pollution permits system can effectively reduce environmental burden,and achieye the aim of environmental protection.

Baced on the hypothesis of ration,economists claim to use pigovian tax and marketable pollution permits to protect the environment however,the application of humanistic theory is neglected.