Dr Iur, Professor at the Free University, Brussels. Email: email@example.com. For the case studies on Iran and the Ukraine in section 4, I would like to warmly thank Mrs Charlotte Berends for extensive research and analysis. Important details from the practice of the EU’s environmental diplomacy I owe to the Academic Director of the Institute for European Studies (Brussels), Prof Sebastian Oberthür. The article also benefited from a couple of interviews held with the former Trade Commissioner Karel De Gucht and high EEEAS officials on matters touched upon in this article.