Attacking Iran. The costs for the West – and the rest. European Voice, 09 February 2012.
Energy companies feel the anger. Interview for Radio France Internationale, 02. October 2011
Der Fluch des Öls. Financial Times Deutschland. 27 August 2010.
From energy security to global energy governance. Journal of Energy Security, March 2010 (with Jan Martin Witte).
Russia’s energy weapon is a fiction. Europe’s World, February 2008.
Europas Energieversorgungssicherheit: Ein Plädoyer für einen pragmatischen Ansatz. Internationale Politik und Gesellschaft 2007. 4, 58-73, Co-authored with Oliver Geden