N. Dittrich (2018): Urban and Peri-Urban Agriculture in Bamenda: A Policy Narrative (with D. Bertrand Njoh, T. Feldt, C. Seeger, H. Karg, E. Gawum, A. Witte, R. van Veenhuizen), for SHUMAS, UrbanFoodPlus, RUAF Foundation, and the Bamenda Multi-Stakeholder Platform, 48 p.
Urban Food Security, Workshop, Ruhr University Bochum, 2. July 2018.
"Tropentage", Bonn University, 20.-22. September 2017.
"Hidden Hunger", Hohenheim University, 20.-22. March 2017.
"How to certify Cacao", GIZ Workshop for local farmers in Altamira, September 2014, Brazil.
"Dialogo com extractivitsas e politica", Brasília, October 2013, Brazil.
"Desenvolvimento Sustentável na Amazônia Brasiliera", Belém, October 2013, Brazil.
Nachhaltige Entwicklung im brasilianischen Amazonasgebiet. Transdiziplinärer Dialog zwischen Wissenschaft und Politik - Perspektiven neuer Formate der wissenschaftlichen Kooperation zwischen Deutschand und Brasilien. Berlin, 09 - 10 November 2013.
Megos Desalegne Gelagay (2018). The Impact of Irrigation Technology on Household Food Security: The Case of Autonomous Adaptation Project (PAA) of Ethiopia in Adami-Tullu Jido-Kombolcha.
Stefani Rackes da Silva (2018). The support of social capital in coping with shocks and stresses faced by Venezulan asylum seekers in Brazil.
Seminar Paper:
Wibke Fasel (2017). Climate-smart villiages in Africa.