Migration & Development
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Among the earliest examples of the disruptions that climate change can bring, some low-lying island countries in the Pacific Ocean are facing serious threats from rising sea levels and coastal erosion. Over the long term, atoll nations such as Kiribati, Tuvalu, and the Marshall Islands might eventually need to relocate some or all of their populations.
Climate change is already affecting how, whether, and where people migrate. But environmental change is likely to become more extreme, unless the world takes serious action now. How might changes made now impact what future migration looks like?
Reliable access to food—or lack thereof—can affect an individual’s decision to migrate. Climate change has the ability to exacerbate food insecurity, especially for farmers and others who live off the land, which can have repercussions for human mobility.
Billions of dollars are being spent on projects to help communities mitigate and adapt to the impacts of climate change, including those at risk of being displaced by environmental events.
Confronting environmental change, whole communities sometimes relocate from one area to another. This purposeful, coordinated movement, while currently rare, is referred to as managed retreat.
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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. In this episode of our Changing Climate, Changing Migration podcast, we speak with Tord Kjellstrom, a physician and researcher who has closely studied the relationship between extreme heat and population health, about what extreme heat means for migrants.
In Western countries, a common narrative has developed that only poor or developing nations will have to confront human displacement caused by climate change. But communities in the United States and elsewhere have repeatedly moved because of environmental disasters such as flooding. This episode of our Changing Climate, Changing Migration podcast features a discussion on the U.S. government’s responses to internal displacement, with Kavi Chintam and Chris Jackson, co-authors of an Issues in Science and Technology article analyzing the approach to managed retreat.