Johanna Schwarz is manager of the NGO “One World. One Future”. For many years, she has been involved in the organization of the Model United Nations and in this capacity has attended UN conferences in New York several times. Johanna Schwarz received a scholarship for the 2014 Summer Academy for Leadership and Personality. Since “sustainability” is one of the five main focus points of the 2015 Summer Academy, we asked her what the Summer Academy can contribute in the field of sustainability.