The aim of this thesis is to analyze agenda manipulation in international negotiations. The analysis is focused on the United Nations Framework Convention on Climate Change and its conferences in the past three year. A theoretical framework of agenda manipulation is established and the conferences are analyzed through a series of comparative case studies. The theoretical framework offer insight into 1) power politics and state interest, 2) negotiation as a method to manage external relations, 3) the existing framework in which the actors try to advance their agenda and 4) the various internal and external influences on state behavior.