A large-scale residential development has been put into practice in the eastern suburb of Sapporo (the Eastern Area) from 1970's.Eight private developers has been developed the Eastern Area with cooperation under the master plan and the development guideline made by the City of Sapporo. One of the characteristic and effects of the development of the Eastern Area is the creation of a large-scale ecological park ( Hiraoka Park), because only small neighborhood parks are usually made under the development guideline in other suburbs of Sapporo.The site of Hiraoka Park includes the natural woodland for biodiversity. Some inhabitants in the Eastern Area are interested in greenery and organize NPO for green conservation.
