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UN warning over future of crop growing

The world may not be able to properly feed itself by 2050 - that is the stark warning from a UN report which suggests a quarter of the world's land surface is now severely degraded and may not be able to grow enough crops for a rising population.

The report blames a combination of climate change and poor farming practices.

Bill Hayton reports.

  • 29 Nov 2011
  • From the section Asia
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