Study links climate-driven extreme weather to rising migration between US and Mexico

Extreme weather tied to climate change is driving more undocumented migration between Mexico and the U.S. as droughts, heat, and storms threaten livelihoods in Mexico’s agricultural regions, according to new research.

Dorany Pineda reports for The Associated Press.


In short:

  • The study found that people in Mexico’s rural communities are more likely to migrate to the U.S. when drought or extreme weather events disrupt their agricultural income.
  • Migrants often remain in the U.S. longer when drought persists, especially those from communities with established migration histories.
  • Climate change effects are expected to intensify, potentially increasing migration from regions already vulnerable to extreme weather.

Key quote:

Migration “is not a decision that people take up lightly ... and yet they’re being forced to make it more, and they’re being forced to stay longer in the United States."

— Filiz Garip, Princeton University

Why this matters:

As climate change worsens extreme weather, vulnerable populations in regions like rural Mexico may face limited options for sustaining their livelihoods. Understanding climate-induced migration patterns can inform more equitable policies that address root causes rather than focusing solely on border security.

Related: Extreme weather threatens global food security

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