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Journal Article

Citation

Mueller V, Gray C, Kosec K. Nat. Clim. Chang. 2014; 4: 182-185.

Affiliation

International Food Policy Research Institute, Washington, DC 20006, USA.

Copyright

(Copyright © 2014, Holtzbrinck Springer Nature Publishing Group)

DOI

10.1038/nclimate2103

PMID

25132865

PMCID

PMC4132829

Abstract

Human migration attributable to climate events has recently received significant attention from the academic and policy communities (1-2). Quantitative evidence on the relationship between individual, permanent migration and natural disasters is limited (3-9). A 21-year longitudinal survey conducted in rural Pakistan (1991-2012) provides a unique opportunity to understand the relationship between weather and long-term migration. We link individual-level information from this survey to satellite-derived measures of climate variability and control for potential confounders using a multivariate approach. We find that flooding-a climate shock associated with large relief efforts-has modest to insignificant impacts on migration. Heat stress, however-which has attracted relatively little relief-consistently increases the long-term migration of men, driven by a negative effect on farm and non-farm income. Addressing weather-related displacement will require policies that both enhance resilience to climate shocks and lower barriers to welfare-enhancing population movements.


Language: en

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