in the alternative ssp scenario maize is used less for animal feed and more for direct human consumption however owing to a less pronounced transition towards highprotein food in developing countries the demand for land to grow staple foods such as rice millet sorghum and cassava increases recent food price spikes have shown however that food security remains a serious concern around the world especially sensitive to food price volatility are countries in subsaharan africa south and southeast asia and the mena region where a substantial share of the population does not have secure access to food