In recent decades different countries strictly adopt green view in their basic policy making. It is clear that any success in this course needs to change public approach of all in society. Any changing in patterns of treatment of nature needs legal organizing of participation and needs trying of all sovereignty powers in institutionalizing of environmental participation. The need for this important topic properly advised to member states in international conventions. The legal system of Islamic republic of Iran predicts some capacities for protection of environmental participation by three branches. The subject of this research is protection of environmental participation principle in the light of executive approach of Islamic republic of Iran.