Climate hazards and human migration: literature review
2024
Anna Ivanova | Deepti Singh | Pronoy Rai | Claire Richards | Hugo Vasconcelos | Michael Goldsby
Human populations are migrating as a result of climate change. We conducted a systematic literature review examining the relationship between several climate hazards and migration flows. We reviewed 58 empirical studies between 2010 and 2023 that examined current and future migration related to acute and long-term climate hazards. The results indicate that the relationship between climate hazards and migration is diverse and depends on a range of socio-economic factors. Droughts and rising temperatures have a major impact on both international and domestic migration. Our review also reveals that multiple climate hazards collectively tend to intensify domestic migration toward urban areas, especially in agriculturally dependent regions. A better understanding of migration patterns and the climate hazards that drive them can inform global policy and preparedness for climate migration.
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