Midori Choochin
Midori Choochin is the Japanese term which literally means "green lampions" which are hung on the eateries or restaurants which only serve healthy food using organic and naturally-grown vegetables, chicken or natural fish from the area only. This is the owners contribution to the environment and the conservation of Japan's and the world's natural resources.
Owners of Midori Choochin are called Tencho in Kanto and Taishoo in the city of Osaka.