Can We Feed Nine Billion People by 2050?

16620 http://d33hzbufl2gyhz.cloudfront.net/dialogs/16620/thumb_772199_20120928152656.jpg

As the world's population increases, experts are trying to solve the food crisis without harming the environment.
Duration - 03:04
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    • fifiyuyu posted on May 28, 2012 6:24:37 AM

      what isthe dialect of the pronouncer's "r'"?

    • bahareh posted on March 23, 2012 10:42:07 AM

      I learned new words from it thanks

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