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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
Last on
Mon 2 Sep 2013
02:50GMT
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