Green Infrastructure in Tokyo

The term “green infrastructure” refers to the aspects of land use and planning that utilize the diverse functions of natural ecosystems to bring social, ecological, and economic benefits to human society. People hike and jog in green spaces and obtain fresh vegetables grown on the land. Freshwater springs up from the ground. Whether or not people notice nature’s services, natural ecosystems are one of the few natural resources available in urban areas. Without them, cities would just have gray infrastructure, concrete, and asphalt. It is important to be aware of the significant contributions of green infrastructure to urban systems. Does Tokyo have green infrastructure, does it need more, and what efforts are being made to create more? Which governmental plans and initiatives have introduced green infrastructure components? This chapter describes changes in Tokyo’s natural ecosystems over time; the significance, definition, and strategies for green infrastructure in Tokyo and Japan; existing green infrastructure in Tokyo; and efforts to revitalize it.