• Information Site for United Nations Environment Programme Magazines (Japanese) http://www.ourplanet.jp/

• United Nations Environment Programme (UNEP) (English) http://www.unep.org/

• UNEP International Environmental Technology Centre (IETC) (English) http://www.unep.or.jp/ietc/index.asp

• Ministry of the Environment, Government of Japan (English) http://www.env.go.jp/en/

• Tokyo Metropolitan Government (English) http://www.metro.tokyo.jp/ENGLISH/index.htm

• Chuo City, Tokyo (English, Chinese, Korean) http://www.city.chuo.lg.jp/foreign/index.html

• Chiba Prefecture (English) http://www.pref.chiba.jp/english/index.html

• Osaka Prefectural Government (English) http://www.pref.osaka.jp/en/index.html