E.g., 10/07/2022
E.g., 10/07/2022
Climate Change

Climate Change

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Climate change is a new driver of human migration that many people expect will dwarf all others in its impact. While the effects of climate change on migration have generated significant attention, some of the most commonly repeated predictions of the numbers of people who will be displaced are not informed by an understanding of migration dynamics. Displacement is almost always a result of a complex mix of factors; people adapt to changes and governments (and a few other powerful actors) can influence what kind of movements take place in response to environmental changes.

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Cover image for Migración de Huehuetenango en el Altiplano Occidental de Guatemala
Reports
March 2022
By  Andrew Selee, Luis Argueta and Juan José Hurtado Paz y Paz
Cover image for Migration from Huehuetenango in Guatemala’s Western Highlands
Reports
March 2022
By  Andrew Selee, Luis Argueta and Juan José Hurtado Paz y Paz
Cover image for The Complex Motivations and Costs of Central American Migration
Reports
November 2021
By  Ariel G. Ruiz Soto, Rossella Bottone, Jaret Waters, Sarah Williams, Ashley Louie and Yuehan Wang
coverthumb_global compacts migration refugees
Policy Briefs
December 2020
By  Lena Kainz, Natalia Banulescu-Bogdan and Kathleen Newland
Cover IOM BriefNo8 ClimateChange 2014
Policy Briefs
March 2014
By  Rabab Fatima, Anita Jawadurovna Wadud and Sabira Coelho

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Image of indigenous Warao in a canoe on the Kaituma River in Guyana

The discovery of massive oil reserves off the Guyana coast will bring immense riches to this small South American country. This windfall will draw migrant labor and the return of some diaspora members to Guyana, which has one of the world's highest emigration rates. It also could accelerate climate displacement in a country where 90 percent of the population lives in coastal areas below the sea level. This article explores the changes ahead.

People pulling vehicles from a flooded road in an Afghan village

Climate change is compounding the drivers of displacement and international migration in Afghanistan, which has one of world's largest populations of internally displaced persons (IDPs). This article examines the climate and environmental linkages to displacement and migration, as well as the policy approaches taken by the Taliban and predecessor governments, particularly as they relate to water resources management.

A boy walks through a coastal village in Honduras.

A disproportionate number of Central American migrants traveling through Mexico to the United States come from Honduras, driven by government corruption, impacts of the coronavirus pandemic, and hurricanes that have devastated communities and livelihoods. This article examine the multiple factors behind migration from the country, drawing from interviews with migrants en route.

dry corridor honduras food migration

Climate change has had a devastating impact on many poor Central American farmers, which can contribute to food insecurity and may be prompting migration from the region's Dry Corridor. But the process is not straightforward. As this article explains, most poor farmers rely on a combination of buying, cultivating, and foraging for their food, which makes it difficult to predict how people will react to individual climate events.

thailand flooding climate migration

Migration can help build resilience against the encroaching effects of climate change. Instead of being passive victims of environmental degradation, individuals sometimes move to gain money, knowledge, and skills that can fortify their household of origin. Migrant workers from Thailand demonstrate how and under what conditions this process works.

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Image of Central American migrant caravan passing through Chiapas, Mexico
Commentaries
April 2022
By  Ariel G. Ruiz Soto and Andrew Selee
Expert Q&A, Audio
March 29, 2022

Do host communities respond differently to people migrating because of environmental impacts compared to refugees fleeing war or migrants seeking work? Research discussed on this episode of Changing Climate, Changing Migration suggests the answer is yes.

Changing Climate, Changing Migration episode 16 tile
Expert Q&A, Audio
February 7, 2022

This episode of Changing Climate, Changing Migration checks in with migration scholar Hein de Haas about the predictions that vast numbers of people will be displaced by climate change and head to wealthy countries in North America and Europe—views he deems often misplaced.

Changing Climate Changing Migration podcast tile episode 15
Expert Q&A, Audio
December 10, 2021

For this episode of Changing Climate, Changing Migration, we speak with Joan Rosenhauer, the executive director of Jesuit Refugee Service/USA, about how natural disasters and other environmental harms affect her organization’s work and its faith-based mission.

changing climate, changing migration episode 14
Expert Q&A, Audio
October 27, 2021

The International Organization for Migration (IOM), in 2015 created a special division responsible for migration-related issues involving the environment and climate change. The division just got a new leader and is looking to embark on a new agenda.

CCCM episode 13 tile
Expert Q&A, Audio
October 12, 2021

Global warming and extreme heat are behind many of the phenomena linked to climate change. Hotter weather also has an impact on migration and on migrants, ranging from destinations such as the Middle East to parts of the United States. In recent years, there has been more attention paid to cases of migrant workers dying from the heat.

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Recent Activity

Articles

The discovery of massive oil reserves off the Guyana coast will bring immense riches to this small South American country. This windfall will draw migrant labor and the return of some diaspora members to Guyana, which has one of the world's highest emigration rates. It also could accelerate climate displacement in a country where 90 percent of the population lives in coastal areas below the sea level. This article explores the changes ahead.

Articles

Climate change is compounding the drivers of displacement and international migration in Afghanistan, which has one of world's largest populations of internally displaced persons (IDPs). This article examines the climate and environmental linkages to displacement and migration, as well as the policy approaches taken by the Taliban and predecessor governments, particularly as they relate to water resources management.

Commentaries
April 2022

With migration from Central America increasing, the region from Canada to Panama faces an opportunity to build an effective regional approach to migration by focusing on several areas that are ripe for significant policy innovation. This commentary sketches a vision, offering a road map to more detailed research that outlines strategies for cooperation on legal pathways, humanitarian protection, migration management, and sustainable development.

Expert Q&A, Audio
March 29, 2022

Do host communities respond differently to people migrating because of environmental impacts compared to refugees fleeing war or migrants seeking work? Research discussed on this episode of Changing Climate, Changing Migration suggests the answer is yes.

Reports
March 2022

Desde principios de la década de 2010, la migración irregular de Guatemala a Estados Unidos ha aumentado drásticamente. Huehuetenango, un departamento en el Altiplano Occidental de Guatemala, se encuentra entre las principales fuentes de esta emigración. Este estudio examina los patrones y factores impulsores de la emigración de Huehuetenango, así como las posibles estrategias para abordar factores de empuje y creación de alternativas a la migración irregular.

Reports
March 2022

Since the early 2010s, unauthorized migration from Guatemala to the United States has risen dramatically. Huehuetenango, a department in Guatemala’s Western Highlands, is among the top sources of this emigration. This study examines the patterns and drivers of emigration from Huehuetenango, as well as potential strategies to address push factors and create alternatives to irregular migration.

Expert Q&A, Audio
February 7, 2022

This episode of Changing Climate, Changing Migration checks in with migration scholar Hein de Haas about the predictions that vast numbers of people will be displaced by climate change and head to wealthy countries in North America and Europe—views he deems often misplaced.

Expert Q&A, Audio
December 10, 2021

For this episode of Changing Climate, Changing Migration, we speak with Joan Rosenhauer, the executive director of Jesuit Refugee Service/USA, about how natural disasters and other environmental harms affect her organization’s work and its faith-based mission.

Pages