“…SADC (1995) protocol on shared watercourse systems, the 2000 Revised SADC Protocol, the 1972 Stockholm Declaration on Human Environment, the Mekong Agreement (1995), the Sava River Basin Agreement (2002), the 1996 Mahakali River Treaty, the UNECE (1992) Water Convention, the 1992 Almaty Agreement, the UN (1997) Watercourses Convention, the Indus Waters Treaty (1960), the Agreement on the Nile River Basin Cooperative Framework (2010), the 1992 Convention on Biological Diversity, the 1992 Rio Declaration on Environment and Development, The Treaty concerning the Rio de la Plata (1973), and the Arbitral Tribunal in the Lake Lanoux case in 1957 provided for the same obligation (Chelkeba, 2017; Lake Lanoux Arbitration, 1957; Margaret, 2006; Rahman, 2006).…”