Food is not produced evenly across the world. This GCSE Geography quiz explores why some places grow plenty of food while others struggle to feed their populations.
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You can find more about this topic by visiting BBC Bitesize - Food security - a global concern
Make sure that you know the reasons why the world demand for food is changing
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Countries who produce more than they can eat can sell their excess to other countries
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Food miles are just one of the factors that are considered when assessing the environmental impact of global food production
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Transporting food by air has the greatest carbon footprint as the quantities that are carried are relatively small
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Subsistence farmers produce only enough food for their own needs
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In several MEDCs, obesity and heart disease are a big problem for the health services as populations consume more food than they actually need
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The word 'check' has several meanings, in this context, it means stopping or slowing down (the population growth)
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By producing crops with a greater yield, more food can be grown on existing farms. Some people don't agree with the idea of genetically modified food
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Food security is usually less in LEDCs than in MEDCs
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International food prices vary and when they are high, this can cause food security issues for small, import-dependent countries
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