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Changing Climate, Changing Migration

Changing Climate, Changing Migration

By: Migration Policy Institute
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How are climate change and environmental degradation affecting human migration across borders and within countries? We explore with top experts in this Migration Policy Institute podcast.Copyright 2020 All rights reserved. Economics Management Management & Leadership Politics & Government Science Social Sciences
Episodes
  • Fiji on the Front Lines of Climate Mobility
    Jul 31 2026

    Fiji has long been at the forefront of developing policies to help its residents voluntarily relocate to escape the extreme effects of climate change. The country, which is comprised of hundreds of islands in the Pacific, faces rising sea levels, extreme weather, and other dangers.

    But for many Fijians, the choice to pack up and leave home is a difficult one. Many have a deep spiritual and personal connection to place, a concept known as vanua. Meanwhile, as one of the largest economies in the region, Fiji is also a destination for migrants from other Pacific Island countries, including those threatened by climate change.

    How has the government tried to support people who move? What considerations do residents consider when deciding whether to relocate? And what is the response to immigration from other countries?

    On this episode, we discuss these issues with Sargam Goundar, a Fijian doctoral researcher at the University of Otago.

    Chapters

    01:41 Climate Impacts Unfolding in Fiji

    04:54 Government-Led Planned Relocation Framework

    08:17 The Concept of Vanua: Cultural Ties to Land

    13:10 Community Concerns and Decision-Making Around Relocation

    16:44 Fiji as a Regional Migration Destination

    22:16 Policy Gaps and Research Priorities

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    32 mins
  • How the World Is Learning to Respond Collectively to Climate Displacement
    Jun 30 2026

    The coordinated global response to climate change-driven displacement is relatively new. Just a few decades ago, virtually no governments were paying attention to the ways in which people were being displaced by extreme weather, sea-level rise, and other climate events. Although the international response remains a work in progress, significant strides have been made to bring the world together.

    One of the people responsible for that coordination is Walter Kälin, a longtime humanitarian expert and legal scholar who is now the Envoy of the Chair of the Platform on Disaster Displacement, a country-led initiative that works to protect people at risk of climate-related displacement. In this discussion, he breaks down where things stand today in terms of a coordinated response and how things might evolve in the future.

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    Chapters

    01:15 Evolution of Global Displacement Policy

    06:45 Climate Change Enters the Displacement Agenda (2004–2010)

    10:28 The Nansen Initiative and the Birth of the Platform on Disaster Displacement

    17:55 Lessons Learned: Bottom-Up Over Top-Down Approaches

    19:58 Navigating Declining Funding and Political Fragmentation

    24:30 Advice for the Next Generation

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    29 mins
  • Climate Change Is Making People Sick. Can Migration Help?
    May 26 2026

    Climate change can be devastating for individuals’ health and safety. Climate-linked natural disasters can cause physical injuries and damage health-care systems, while slow-onset changes such sea-level rise can lead to the spread of disease and make it harder for people to obtain care.

    In that context, leaving a climate-vulnerable place can potentially lead to better health outcomes—but only under the right circumstances.

    In this episode, we speak with Ilse Ruyssen, an economist at Ghent University and the UN University Institute on Comparative Regional Integration Studies, who leads the CliMigHealth research network.

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    Chapters

    01:19 Health Vulnerability among Climate Migrants

    05:13 Groups at Highest Risk

    08:36 When Migration Protects Health

    11:51 How Climate Change Directly Harms Health

    17:02 Strain on Health-Care Systems

    22:18 Countering the "Migrants as Health Risk" Narrative

    25:48 Mental Health and Climate Displacement

    27:48 What to Do?

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    34 mins
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