International NGO focused on poverty, Oxfam, warns that the price of staple grains will more than double in the next 20 years, increasing by as much as 180% by 2030 for some crops such as maize. Climate change will cause much of the increase, followed by population, energy, and resource demands, Oxfam says.
http://www.gbcghana.com/index.php?id=1.407227
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