UN Urges Open, Frank Discussion on Hygiene and Sanitation UN-Water 25 November, 2015 “The 2030 Agenda calls on us to renew our efforts in providing access to adequate sanitation worldwide,” said the UN Secretary-General, Ban Ki-moon on World Toilet Day (19 November). He urged the world to work together and have an open frank discussion on the importance of toilets and sanitation. World Toilet Day marked the conclusion of a three-day-focus on water and sanitation at the UN Headquarters that included the final meeting of the UN Secretary-General’s Advisory Board on Water and Sanitation (UNSGAB) (final report here ), the Second United Nations Special Thematic Session on Water and Disasters and a High-level debate on the linkages between sanitation and nutrition organized by the Permanent Mission of Singapore to the United Nations and UN-Water. World Toilet Day marked the conclusion of a three-day-focus on water and sanitation at the UN Headquarters. The UNSGAB journey.