Climate change increases resource-constrained international immobility

Hélène Benveniste (), Michael Oppenheimer and Marc Fleurbaey
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Hélène Benveniste: Harvard University
Michael Oppenheimer: Princeton University

Nature Climate Change, 2022, vol. 12, issue 7, 634-641

Abstract: Abstract Migration is a widely used adaptation strategy to climate change impacts. Yet resource constraints caused by such impacts may limit the ability to migrate, thereby leading to immobility. Here we provide a quantitative, global analysis of reduced international mobility due to resource deprivation caused by climate change. We incorporate both migration dynamics and within-region income distributions in an integrated assessment model. We show that climate change induces decreases in emigration of lowest-income levels by over 10% in 2100 for medium development and climate scenarios compared with no climate change and by up to 35% for more pessimistic scenarios including catastrophic damages. This effect would leave resource-constrained populations extremely vulnerable to both subsequent climate change impacts and increased poverty.

Date: 2022
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Working Paper: Climate change increases resource-constrained international immobility (2022)
Working Paper: Climate change increases resource-constrained international immobility (2022)
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DOI: 10.1038/s41558-022-01401-w

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