Is the World's Population Growing Out of Control?

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'We just shut our eyes to the fact that the world's population is increasing out of control...and we owe it to future generations to face up to this.' Is broadcaster and naturalist Sir David Attenborough right about global population projections?

And, the BBC has reported that Scotland is home to 20% of the world's redheads. Hannah Barnes looks at whether the numbers add up.

(Image: China prepares for baby boom. Credit: Getty Images)

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9 minutes

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Mon 30 Sep 2013 02:50 GMT

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