Foreign policy is made up of the actions, objectives and decisions of the State in relation to its relations outside its borders. Its analysis requires the study of its development, orientation and execution at international, national and governmental levels.Climate change, a true global challenge, undermines and threatens to undermine Canada's ability to ensure its security and stability. Aware of this climate threat, Canada would have committed itself to concrete actions such as the application of mitigation and adaptation measures, strong activism and increasing funding for research programs to combat climate change.Canada's foreign policy on climate change is active, based on its presence, rank and international activity. It overcomes its passivity through its multilateral approach. This activism denotes a certain continuity in its climate policy, despite internal political alternations, and confers on it the role of "good international climate citizen".