https://www.internationalwaterlaw.org/documents/intldocs/

http://www.worldwaterforum6.org/en/news/

see the end of docs for contacts, possible topics and NGOS  http://www.earthsummit2002.org/freshwater/Freshwater%20Report.pdf

also envi websites

http://www.emg.org.za/

http://www.pic.int/

http://www.internationalwaterlaw.org/documents/intldocs/

http://www.waterlex.org/waterlex/en/demo-content/who-we-are/44-who-what-how/79-article-eight