7 Billion People Special: Feeding the world

Updated: 2011-10-24 16:32

(Agencies)

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7 Billion People Special: Feeding the world

Wheat is harvested on the Stephen and Brian Vandervalk farm near Fort MacLeod, Alberta, September 26, 2011. [Photo/Agencies]

7 Billion People Special: Feeding the world

A worker carries an air filter during wheat harvest on the Stephen and Brian Vandervalk farm near Fort MacLeod, Alberta, September 26, 2011. [Photo/Agencies]

 
 

7 Billion People Special: Feeding the world

An ear of wheat is seen on the Canadian prairies near Lethbridge, Alberta, September 7, 2011. [Photo/Agencies]

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