In this presentation we will discuss how tourism affects the daily water use in Zanzibar and how a significant water consumption, has the potential of undermining the sustainability of the tourist sector in Zanzibar. Zanzibar has a great water disparity with 15 times higher daily water use per tourist compared with local residents. Would you like to learn more about Sustainable Tourism? Sign up for our online course: Sustainable Tourism - promoting Environmental Public Health? (indsæt hyperlink over titel, hvis muligt https://www.coursera.org/learn/sustainable-tourism You are also welcome to join other MOOCs from University of Copenhagen. (indsæt hyperlink, hvis muligt https://coursera.org/ucph). Flemming Konradsen Professor, Director, School of Global Health, University of Copenhagen