Country	Date from – Date to
USA, California	2012, March, Presentation on the Goettingen approach of sustainability science at 9 Universities of California and further universities, Report
Estonia, Tallin	2011, July 20-25, Presentation and moderation of a workshop at the European Youth Meeting for Sustainable Development 2011, financed by the host
China, Xián	2011 July 4-11, Presentations and moderation of an EU-China conference on youth for sustainable development, financed by the European Commision, Report
Korea, Seoul	2011, May 20-25, Presentation at a Greening University movement Conference on corresponding experiences in Germany, financed by the host
China, Beijing	2008 – Organisation / moderation of summer school at China Agricultural University. Presentation of a new study course in Germany „Sustainability Science“, financed by DAAD
China, Hong Kong	2007- Presentation at International Congress on Climate Change, financed by German Ministry of Environment
Germany, Ilmenau	2007 International Students Conference Ilmenau on values and sustainability
India, Kirpal Sagar	2007- Presentation at the International Unity of Man Conference in Kirpal Sagar, India, on ”Sustainable Development as a challenge for the world´s religions”, financed by the host, Link
Indonesia	2006 March and April: Guest lecturer at Satya Wacana Christian University Salatiga /Java, topic „Social psychology of sustainable development “, Promotional Tour for municipalities and universities “Sustainable development and municipal bio energy projects”, financed by DAAD, Report
Taiwan	2006 – Guest lecturer at universities in Taipeh, topic: “municipal bio energy projects”, financed by the Taiwan-German Society
Japan	2005 - Promotional Tour for municipalities and universities “Sustainable development and municipal bio energy projects”, Moderation of future workshops and presentations on German experiences regarding sustainable development projects, financed by German Ministry of Environment
Geneve	2002 Presentation at a United Nations Organization Workshop for Indigenous People in Geneve on ”Spirituality and Sustainable Development”, Text