National level : Japan

	Ministry of the Environment (MOE) http://www.env.go.jp/en/
	Ministry of Land, Infrastructure, Transport and Tourism (MLIT) http://www.mlit.go.jp/en/index.html
	River Bureau, Ministry of Land, Infrastructure, Transport and Tourism (MLIT) http://www.mlit.go.jp/river/basic_info/english/index.html
	Japan Bank for International Cooperation (JBIC) http://www.jbic.go.jp/en/
	National Institute for Environmental Studies (NIES) http://www.nies.go.jp/index-e.html
	Japan Water Agency (JWA) http://www.water.go.jp/honsya/honsya/english/index.html
	Japan International Cooperation Agency (JICA) http://www.jica.go.jp/english/index.html
	Hydrological Research Letters (HRL) http://www.hrljournal.org/
	Japanese Society of Limnology (JSLIM) http://www.jslim.jp/archive/index-e.html
	Japan Society on Water Environment (JSWE) http://www.jswe.or.jp/eng/index.html
	Japan River Association (Japanese only) http://www.japanriver.or.jp/
	Association for Rainwater Storage and Infiltration Technology (ARSIT) (Japanese only) http://www.arsit.or.jp/
	Japan Sabo Association (JSA) http://www.sabo.or.jp/english.htm
	Japan Environmental Measurement and Chemical Analysis Association (JEMCA) http://www.jemca.or.jp/info/english/index.html
	Japan Education Center of Environmental Sanitation (JECES) http://www.jeces.or.jp/en/index.html
	Global Environmental Forum (GEF) http://www.gef.or.jp/en/
	Global Environment Centre Foundation (GEC) http://gec.jp/
	Foundation of River & Watershed Environment Management http://www.kasen.or.jp/english/
	Japan River Restoration Network (JRRN) http://www.a-rr.net/jp/en/arrn/letter/arrn_event_news/
	Foundation of River & Basin Integrated Communication, Japan http://www.river.or.jp/outline/index.html
	Ecosystem Conservation Society - Japan (ECO-JAPAN) http://www.ecosys.or.jp/language/english.htm
	Nature Conservation Society of Japan (NACS-J) http://www.nacsj.or.jp/english/index.html
	Kurita Water and Environment Foundation (KWEF) http://www.kwef.or.jp/en/en_info.html
	WATER NETWORK http://www.waternetwork.org/english/index.html
	Biwako Waterfowl & Wetland Center (BWWC) http://www.biwa.ne.jp/~nio/eng/index_e.html
	APEC Virtual Center for Environmental Technology Exchange (APEC-VC) http://www.apec-vc.or.jp/e/
	Ministry of Health, Labour and Welfare (MHLW) http://www.mhlw.go.jp/english/
	Ministry of Agriculture, Forestry and Fisheries (MAFF) http://www.maff.go.jp/e/index.html
	National Institute for Minamata Disease (NIMD) http://www.nimd.go.jp/english/index.html
	National Environmental Research and Training Institute (NETI) http://www.neti.env.go.jp/english/index.html