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Counting Climate Migrants

Environmental problems will create 200 million migrants, warn some politicians and environmentalists. But migration experts say this is exaggerated.

Is it true that environmental problems will create 200 million migrants? Some politicians and environmentalists warn that this is the case.

But migration experts say that the numbers are exaggerated. Tim Harford and Hannah Barnes investigate.

Image: A woman tends her crops, Credit: AFP/Getty Images

Available now

9 minutes

Last on

Mon 2 Sep 2013 02:50GMT
BBC World Service Online

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Broadcasts

  • Sat 31 Aug 2013 23:50GMT
    BBC World Service Online
  • Sun 1 Sep 2013 11:50GMT
    BBC World Service Online
  • Mon 2 Sep 2013 02:50GMT
    BBC World Service Online

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Podcast

  • More or Less

    Tim Harford explains the numbers and statistics used in everyday life