Aplinkos ministerija (AM), Aplinkos apsaugos agentūra yra pavaldi Aplinkos ministerijai
Aplinkos Inžinerijos Institutas (Apini)
Aplinkos Apsaugos Politikos Centras
Peipsi Tarpvalstybinio Bendradarbiavimo Centras
European Environmental Law Homepage
Helsinki Commission. Baltic Marine Environment Protection Commission (HELCOM)
Great Lakes Information Network (USA, 5 Region)
United Nations Environment Programme. Global Resource Information Database (UNEP - GRID)
World Wide Fund for Nature - Global Network (WWF)
Science for Environment Policy
US Environmental Protection Agency (EPA)
EEA – European Environment Agency
LAKENET tarptautinė ne pelno organizacija ežerams išsaugoti http://www.worldlakes.org/; http://www.worldwaterday.org/
International network of basin organisations
Webpage for Harmonising collaborative planning (Harmonicop)
Stockholm international water institute
