• Border Environment Cooperation Commission works to preserve, protect and enhance human health and the environment of the U.S. - Mexico border region, by strengthening cooperation among interested parties and supporting sustainable projects through a transparent binational process in close coordination with the North American Development Bank, federal, state and local agencies, the private sector, and civil society.


• European Rivers Network


• Environment Canada's GREEN LANE


• Food and Agriculture Organization (FAO) of the United Nations - Water
  »Water Quality
  »Multimedia (Informative animations, mp3s, etc.)
  »Information sources
  
  In 2003, UN-Water was officially endorsed as the new United Nations mechanism for follow-up of the water-related decisions reached at the 2002 World Summit on Sustainable Development and the Millennium Development Goals. It supports Member States in their efforts to achieve water and sanitation goals and targets.


• Global International Waters Assessment - The aim of GIWA is to produce a comprehensive and integrated global assessment of international waters, the ecological status of and the causes of environmental problems in 66 water areas in the world, and focus on the key issues and problems facing the aquatic environment in transboundary waters.


• International Association of Hydrologists - The international groundwater organisation: IAH is a scientific and educational organisation whose aims are to promote research into and understanding of the proper management and protection of groundwater for the common good throughout the world.


• International Center for Water Technology - Dedicated to developing and promoting next generation technologies that will increase water and energy use effectiveness in urban, commercial, agricultural and environmental applications.


• International Hydropower Association - The IHA is a non-governmental mutual association of organizations and professionals. Through its international membership, the Association is established as a global organisation advancing hydropower's role in meeting the world's water and energy needs.


• International Joint Commission prevents and resolves disputes between the United States of America and Canada under the 1909 Boundary Waters Treaty and pursues the common good of both countries as an independent and objective advisor to the two governments.


• International Water and Sanitation Centre News and information, advice, research and training, on low-cost water supply and sanitation in developing countries.


• International Water Management Institute - IWMI is a non-profit scientific organization funded by the Consultative Group on International Agricultural Research (CGIAR). IWMI’s research agenda is organized around four priority themes covering key issues relating to land, water, livelihoods, health and environment.


• Lifewater Canada An international, non-profit organization dedicated to training and equipping people to test and treat drinking water, drill water wells and build & maintain handpumps.


• Mekong River Commission was established in 1995 by an agreement between the governments of Cambodia, Lao PDR, Thailand and Viet Nam.


• Middle East Water Information Network - University of Pennsylvania


• Global Change The Pacific Institute's site devoted to global change issues.


• Stockholm International Water Institute - SIWI is a policy institute that contributes to international efforts to find solutions to the world’s escalating water crisis.


• United Nations Environment Programme GEMS/WATER The United Nations Global Environmental Monitoring System (GEMS)/Water Programme provides scientifically-sound data and information on the state and trends of global inland water quality required as a basis for the sustainable management of the world's freshwater to support global environmental assessments and decision- making processes.


• UNESCO Water Portal - The UNESCO Water Portal is intended to enhance access to information related to freshwater available on the World Wide Web. The site provides links to the current UNESCO and UNESCO-led programmes on freshwater and will serve as an interactive point for sharing, browsing and searching websites of water-related organizations, government bodies and NGOs, including a range of categories such as water links, water events, learning modules and other on-line resources. Surfers can also add or modify links to help maintain an accurate online resource. All water managers are invited to participate by providing information on activities, useful links, news and content which they wish to share with others and generally make more widely available.
  Also see: UNESCO Centre for Water Law, Policy and Science hosted by the University of Dundee


• Water for People is an international nonprofit development organization committed to the long-term impact of increased access to safe drinking water and improved sanitation and health.


• Water Supply and Sanitation Collaborative Council Established in 1990, its purpose is to provide a way for water and sanitation sector professionals to exchange views and experiences and develop approaches which will mean faster achievement of the goal of universal coverage.


• WaterAid is an international charity dedicated to helping people escape the stranglehold of poverty and disease caused by living without safe water and sanitation.


• WaterWeb Consortium - Built on the premise of improving communications and information access to help address the world's water problems.


• The World Bank Group For assessing and disseminating emerging lessons and shared experiences, developing policies, guidelines and leadership for World Bank staff on how water projects should be developed.


• The World's Water A Project of the Pacific Institute for Studies in Development, Environment, and Security. Site is dedicated to providing up-to-date water resources information and data, and connections to organizations, institutions, and individuals working on a wide range of global freshwater problems and solutions.


• World Water Council's mission is "to promote awareness, build political commitment and trigger action on critical water issues at all levels, including the highest decision-making level, to facilitate the efficient conservation, protection, development, planning, management and use of water in all its dimensions on an environmentally sustainable basis for the benefit of all life on earth."