This article discusses why Sweden ratified the Paris Agreement and made Fossil-Fuel-Free Program. Environmental issues at this time are important because they are global issues and the whole world must contribute to overcome them. This writing is a Library Study. That is data collection techniques based on the search for existing issues. The results of this paper conclude (i) the Ratification of the Paris Agreement as an effort by Sweden to conduct Mainstreaming Green Politic so that the world is aware the importance of sustainable development; (ii) Ratification of Paris Agreement as a effort of Sweden to maintain its survival.