Research and education are carried out for planning, designing and supervising the development and use of land, forest and water resources, while paying attention to the conservation and restoring the natural environment. Making the balanced development and getting the agreement between human life and natural environment conservation are our goal. To reach the goal, issues concerning evaluation of watershed environment, management of ecosystem, creation of environmental equipment and safe space are investigated with socio-economic and natural scientific methodologies, or the integrated procedures using these methodologies.