1. Csaba Kőrösi was president of the 77th session of the UN General Assembly (UNGA 77), New York, NY, USA and is director of the Blue Planet Foundation, Budapest, Hungary.
2. Johannes Cullmann was scientific adviser to the president of UNGA 77, New York, NY, USA and is vice chair of UN-Water, Geneva, Switzerland. He is also director for Water and Cryosphere, World Meteorological Organization, Geneva, Switzerland.