Currently, more than enough food is produced to feed the worldâ€™s population of 7 billion inhabitants. However, latest FAO
fi gures indicate that 842 million people were undernourished in 2011-13. Food security exists when all people, at all times,
have physical and economic access to suffi cient, safe and nutritious food that meets their dietary needs and food preferences
for an active and healthy life. There are four dimensions of food security: the availability of food; access to food; utilization
of food and food system stability. Looking to the future, there are also major challenges ahead from the rapidly changing
socio-economic environment (increasing world population and urbanization, and dietary changes), climate change and
erosion of natural resources. The projected food demand in 2050 will increase by 60 percent. The sustainable increase
of productivity, based on the adoption of technological and organizational innovation in agriculture, is therefore key to
achieving food security. Increasing productivity can improve food security in two ways. First, providing an opportunity
for farmers to increase their incomes and to improve their livelihoods. Second, increased productivity can also lead to reduced
food prices, benefi ting many poor people in both urban and rural areas as poor households typically spend a large
proportion of their income on food. Increased productivity should be achieved while simultaneously conserving the natural
resource base upon which future productivity increases depend. In this way, the farmerâ€™s income growth can be combined
with a truly sustainable resource use.
Keywords: Food security, agricultural innovation.
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