This paper is based on my Master’s thesis where I discuss climate politics from the perspective of international environmental justice. I examine how climate change is framed as a problem from the point of view of responsibility in the political statements of the Montreal Climate Conference in 2005. I analyse the research data with the help of frame analysis and Perelman’s theory of argumentation thus looking for argumentation concerning responsibility, its underlying premises and techniques of argumentation. The results suggest that climate change is framed as a problem in two different ways. In some statements (mainly from developed countries) climate change is considered as a problem of greenhouse gas emissions. Here, describing climate ...