Photo Gallery Is Environmental Migration Really Rising?

Six years ago, the UN issued a dramatic warning that the world would have to cope with 50 million climate refugees by 2010. So far, the forecast has failed to come true, and the UN has distanced itself from it. Meanwhile, populations are growing in the regions that had been identified as environmental danger zones.
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Emmanuelle Bournay
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THOMAS MUKOYA/ REUTERS
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Corbis
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Marcelo Sayao/ dpa
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AP
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A0009 Helfried Weyer/ dpa
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TIM WIMBORNE/ REUTERS