The purpose of this study is to verify the effect of "the Forest of the 21st Century in Amagasaki Project" to urban greenery by Public - Private Partnerships. Massive roadside greenery on some heavy and chemical factories had been achieved by new ordinance of Amagasaki City and subsidy program of Hyogo Pref. And very small space greenery “Sukima Ryokka” in small and medium size factory which don’t have greenery obligation in a plant location law had been achieved by support from citizen groups. "The Forest of the 21st Century in Amagasaki Project" is long term vision of urban regeneration, and have been lead a Public - Private Partnerships. Although these outcomes are random order, vision of this project has applied to many stakeholder’s plans and activities. This paper describes that a planning theory by vision and network is effective in large scale project, especially Public - Private Partnerships type. On the other hand, some problems and importance are clarified. In each project driving, share of purpose during many stakeholders are required and results of activities must be transfer to stakeholders and citizens. In next stage of this project, opportunities for wider participation are necessary.

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