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Alexandre Roulin is a professor of biology at the [University of Lausanne](http://www.unil.ch/index.html). For already two decades he is studying barn owls to answer evolutionary and ecological scientific questions. Since 2009 he actively participes in the project of promoting cooperation between the Israeli, Palestinian and Jordanian communities using nature conservation as a tool. His ambition is to motivate scientists to participate in societal issues by using the « Environmental diplomacy » approach.