Henrik Urdal is Director of the Peace Research Institute Oslo. He obtained his PhD at the University of Oslo in 2007. Since October 2010, he has been the editor-in-chief of the Journal of Peace Research, and has held research fellowships at East West Center (Honolulu, Hawaii; 2005-2006) and at the Kennedy School of Government. He has previously worked for the Office of the Prosecutor at the International Criminal Tribunal for the former Yugoslavia (1999). His research addresses the relationships between climate change, environmental change, and armed conflict; the politics of census-taking; and the demographic consequences of armed conflict.