Counting climate migrants
Is it true that environmental problems will create 200 million migrants? Some and warn...
More or Less · BBC Radio 4
August 31, 20139m 35s
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Show Notes
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. This programme was first broadcast on the BBC World Service.