Yokohama Greenery Foundation is the association in Japan founded in 1976.
According to PR-model, hama-midorinokyokai.or.jp is ranked 323,692nd in multilingual Wikipedia, in particular this website is ranked 24,905th in Japanese Wikipedia.
The website is placed before oekolog.at and after kbev6.com in the BestRef global ranking of the most important sources of Wikipedia.