Over the past few decades, the Earth's climate has undergone conspicuous changes, some of which have a profound impact on social and governmental systems. The purpose of this paper is to establish a model for measuring national fragile and the impact of climate change on a country. For this purpose, we first define the Fragile States Index (FSI) to measure the fragility of a country based on population, crime rate and education, which are the three aspects that most countries or regions will

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... us on. Second, we use the FSI to illustrate how climate change affects the Democratic Republic of the Congo. Third, we analyze the definitive indicators of Indonesia and predict the changes of FSI. Finally, the effects of each intervention policy were obtained by analyzing Indonesia's intervention policy on environmental change. To provide ideas for intervention on climate change.