All Concepts
Global Citizenship

Food Security

What food security means, why hundreds of millions of people do not have enough to eat, and what individuals, communities, and governments can do about it.

Core Ideas
1 Everyone needs food to live and grow
2 Not everyone in the world has enough food
3 Food comes from farmers and the natural world
4 We should not waste food
5 Sharing is an important value
Background for Teachers

Young children understand hunger from direct experience and can develop empathy for others who do not have enough to eat. At this level, food security is taught through simple, concrete ideas: everyone needs food; not everyone has enough; food comes from nature and the people who grow it; we should not waste what we have. Avoid statistics or complex causes at this stage. Focus instead on building values — gratitude for food, awareness that others may not have it, and the importance of sharing. In many low-resource classrooms, children may themselves have direct experience of food insecurity. Create a respectful and sensitive environment. This is not a topic for embarrassment or judgment — it is an opportunity to build solidarity and kindness. No materials are needed for any of these activities.

Classroom Activities
Activity 1 — Where does food come from?
PurposeChildren connect the food they eat to the natural world and the people who grow it.
How to run itAsk children to name foods they ate today or yesterday. For each one, ask: Where did it come from? A plant? An animal? The ground? A tree? A river? Build a picture together of all the different places food comes from. Then ask: Who helped to grow or catch this food? Introduce the idea of farmers, fishers, and growers. Explain: food does not appear in shops by magic — real people work very hard to grow it. Ask: How do you feel about the people who grew your food?
💡 Low-resource tipNo materials needed. Children can draw their favourite food and discuss where it comes from.
Activity 2 — Not everyone has enough
PurposeChildren develop empathy for people who do not have enough food, without causing fear or distress.
How to run itAsk children: Have you ever felt very hungry? How did it feel? What did you want? Take a few gentle responses. Then explain: In many parts of the world, some children feel hungry not just for an hour but for whole days — not because they are waiting for lunch, but because their family does not have enough food. Ask: How do you think that feels? What would you want someone to do for you if you were that hungry? Discuss: What could people do to help? Introduce the idea of sharing, community support, and helping others. Keep the tone caring and hopeful, not frightening.
💡 Low-resource tipThis is a guided discussion. No materials needed. Be sensitive to children in the class who may have personal experience.
Activity 3 — We do not waste food
PurposeChildren understand that wasting food is connected to fairness and respect.
How to run itShow or describe a piece of food that has been thrown away without being eaten. Ask: What do you think about this? Who worked hard to grow this food? What could it have been used for? Discuss: when we waste food, it means all the work that went into growing it is wasted too. It is also unfair to people who do not have enough. Ask children: What can we do to not waste food? Collect ideas: finish what is on your plate, take smaller portions, share what you do not want, give leftover food to others. Establish a class agreement about food respect.
💡 Low-resource tipUse any food item available in the classroom. If no food is available, the teacher can describe the scenario verbally.
Discussion Questions
  • Q1What is your favourite food? Do you know where it comes from?
  • Q2Have you ever felt very hungry? How did it feel?
  • Q3Why do you think some people do not have enough food?
  • Q4What could you do to not waste food?
  • Q5If a friend was hungry and you had food, what would you do?
Writing Tasks
Drawing task
Draw a picture of where your food comes from. Write or say: This food comes from ___________.
Skills: Connecting food to its origins in nature and farming
Sentence completion
Everyone needs food because ___________. I can help by ___________.
Skills: Understanding basic needs and personal responsibility
Common Misconceptions
Common misconception

There is not enough food in the world to feed everyone.

What to teach instead

The world actually produces enough food to feed everyone. The problem is not a shortage of food but how it is shared, distributed, and who can afford it. This is an important idea to introduce gently even at Early Years level — hunger is about fairness, not just supply.

Common misconception

Hungry people are hungry because they are lazy or do not try hard enough.

What to teach instead

Hunger is caused by poverty, conflict, climate change, and unfair systems — not by laziness. Many of the hardest-working people in the world — farmers, labourers, and rural communities — face the greatest food insecurity. This misconception can cause harm and should be challenged gently but clearly.

Core Ideas
1 What food security means — the four pillars
2 Causes of food insecurity — poverty, conflict, climate, inequality
3 Who is most affected and where
4 The right to food
5 Sustainable food systems
6 What individuals and communities can do
Background for Teachers

Food security means that all people, at all times, have physical, social, and economic access to sufficient, safe, and nutritious food that meets their dietary needs for an active and healthy life. The UN identifies four pillars of food security: availability (enough food is produced), access (people can physically and economically reach it), utilisation (the food is nutritious and safe, and people know how to use it), and stability (access is reliable over time, not just occasionally). Globally, over 800 million people are chronically hungry, and around 2 billion experience moderate or severe food insecurity — meaning they do not always have enough to eat. At the same time, roughly one third of all food produced globally is wasted. This is not a paradox of scarcity — the world produces more than enough calories to feed everyone. The problem is distribution, access, and affordability.

Key causes of food insecurity include

Poverty — people cannot afford food even when it is available; conflict — war destroys crops, disrupts supply chains, and displaces farmers; climate change — droughts, floods, and unpredictable seasons are making farming harder, especially in tropical regions; inequality — land ownership, trade rules, and political power are often concentrated in ways that disadvantage small farmers and poor communities; food price volatility — when global food prices spike (as in 2008 and 2022), poor families who spend most of their income on food are hit hardest. The right to food is recognised in international law — the Universal Declaration of Human Rights and the International Covenant on Economic, Social and Cultural Rights both include it. However, enforcement is weak. Sustainable food systems aim to produce enough food without destroying the natural systems — soil, water, biodiversity — that food production depends on. Intensive industrial farming can produce large quantities of food in the short term but can deplete soil, pollute water, and contribute to greenhouse gas emissions.

Teaching note

In many of the communities your students come from, food insecurity is a lived reality. Approach this topic with great sensitivity. Frame it as a justice issue, not a charity issue. Students should leave feeling that change is possible and that their voice and actions matter.

Key Vocabulary
Food security
When all people always have access to enough safe, nutritious food for a healthy and active life.
Food insecurity
When people do not have reliable access to enough nutritious food — either because they cannot afford it, cannot reach it, or it is not available.
Malnutrition
Poor nutrition caused by not eating enough food, or not eating the right kinds of food. It affects physical and mental development.
Hunger
The physical feeling of needing food. Chronic hunger means regularly not having enough to eat over a long period.
Sustainable farming
Farming methods that produce food without permanently damaging the soil, water, or ecosystems that future farming depends on.
Food waste
Food that is produced but not eaten — either lost during production and transport, or thrown away by consumers.
The right to food
The internationally recognised right of every person to have access to sufficient, safe, and nutritious food.
Supply chain
The journey food takes from the farm to the person who eats it — including growing, processing, transporting, and selling.
Food sovereignty
The right of communities and countries to define their own food systems — what they grow, how they grow it, and who controls it.
Classroom Activities
Activity 1 — Why are some people hungry? (causes web)
PurposeStudents understand that food insecurity has multiple connected causes — and is not simply about there being not enough food.
How to run itWrite 'HUNGER' in the centre of the board. Ask students: Why might a family not have enough food? Take all answers and write them around the centre. Guide students to think about: Can they afford food? Is food available nearby? Has war or disaster destroyed crops or supply chains? Has drought or flood destroyed harvests? Are prices too high? Is land owned by large companies rather than small farmers? Connect the ideas with lines to show how they relate. Then reveal a key fact: the world produces enough food to feed every person on Earth. Ask: If that is true, why do over 800 million people not have enough? Guide students to understand that hunger is a problem of fairness and distribution, not just supply. Who has power over food? Who does not?
💡 Low-resource tipDraw the causes web on the board. Teacher provides key facts verbally. Students suggest causes. No printed materials needed.
Activity 2 — The food journey: who earns what?
PurposeStudents understand how little of the price of food returns to the people who grow it.
How to run itChoose a simple food — for example, a bar of chocolate or a bag of rice. Explain the journey from farm to shop. Ask students to guess: of the total price paid in a shop, how much do you think goes to the farmer who grew the main ingredient? The answer is usually a very small fraction — for cocoa in chocolate, farmers typically receive around 3-6% of the retail price. Ask: Is this fair? Why do you think this happens? Who else takes a share? (Transport, processing, packaging, marketing, retailer profit.) Discuss: What could be done to give farmers a fairer share? Introduce the idea of fair trade as one response. Ask: Does fair trade solve the whole problem, or is it a partial solution?
💡 Low-resource tipTeacher presents the example verbally. Draw a simple pie chart on the board to show the distribution of value. No printed materials needed.
Activity 3 — Food waste: the numbers
PurposeStudents engage with the scale of food waste and connect it to the injustice of global hunger.
How to run itPresent these facts verbally: approximately one third of all food produced globally is wasted — around 1.3 billion tonnes per year. In wealthy countries, most waste happens at the consumer end — food bought but not eaten. In poorer countries, most waste happens earlier — during storage and transport, due to lack of infrastructure. Ask students: If we could eliminate food waste, could we feed more people? Who wastes the most? What prevents food from being saved in poorer countries? What prevents consumers in wealthy countries from wasting less? Students then work in small groups to suggest one practical action at each of four levels: individual, family, school/community, government. Groups share and discuss: Which level of action is most powerful? Which is easiest to achieve?
💡 Low-resource tipTeacher presents the statistics verbally. Students discuss in groups and share verbally. No materials needed.
Discussion Questions
  • Q1The world produces enough food to feed everyone — so why do over 800 million people not have enough to eat?
  • Q2Do you think hunger is mainly caused by bad luck, or by unfair systems? Can you give a reason?
  • Q3Is food a right or a privilege? What is the difference?
  • Q4What do you think is the most important cause of food insecurity in your country or region?
  • Q5Should wealthy countries help poorer countries achieve food security? What form should that help take?
  • Q6What could your school do to reduce food waste? What would make it difficult?
Writing Tasks
Task 1 — Explain and give an example
Explain what food security means and describe ONE cause of food insecurity in the world today. Write 3 to 5 sentences.
Skills: Explanation writing, understanding of food security definition and causes
Task 2 — Persuasive writing
Write a short paragraph (4 to 5 sentences) arguing that everyone has a right to food. Use at least one reason and one example to support your argument.
Skills: Persuasive writing, rights framework, giving reasons with evidence
Common Misconceptions
Common misconception

There is not enough food in the world to feed everyone, so hunger is inevitable.

What to teach instead

The world currently produces around 1.5 times the calories needed to feed every person on Earth. The problem is not supply — it is distribution, access, and affordability. Hunger is a political and economic problem, not simply a natural or technical one. Understanding this is essential because it changes who is responsible and what solutions are possible.

Common misconception

Hunger only exists in Africa or in the poorest countries.

What to teach instead

Food insecurity exists on every continent, including in wealthy countries. In the United States, tens of millions of people use food banks. In the UK, food bank use has grown dramatically in recent years. The specific forms and causes vary — but food insecurity is a global issue, not confined to any one region. This also means solutions and responsibility are shared globally.

Common misconception

If people in rich countries eat less meat, it will directly feed hungry people in poor countries.

What to teach instead

The relationship is more complex. Reducing meat consumption in wealthy countries would free up large amounts of land and grain currently used for animal feed, reduce greenhouse gas emissions, and lower pressure on global food systems — all of which could help food security. But food does not automatically flow from one place to another; structural changes in trade, distribution, and economic systems are also needed. Individual dietary choices matter, but they are not sufficient on their own.

Common misconception

Food aid is the best solution to hunger.

What to teach instead

Emergency food aid is vital and saves lives in acute crises such as famines and disasters. But long-term food security requires sustainable agriculture, fair trade, access to land and water, political stability, and economic opportunity. Over-reliance on food aid can actually undermine local food systems by undercutting local farmers' prices. The most effective long-term interventions support people's capacity to grow and access their own food.

Core Ideas
1 Defining food security — the four pillars in depth
2 The political economy of hunger — power, trade, and land
3 Climate change and food systems
4 The food-water-energy nexus
5 Agroecology vs industrial agriculture
6 Food sovereignty as a political concept
7 Gender and food security
8 The role of international institutions — FAO, WFP, WTO
Background for Teachers

Food security is one of the most complex and politically contested issues in global development. Understanding it properly requires engaging with economics, ecology, politics, and international relations simultaneously. The political economy of hunger: Amartya Sen's influential work 'Poverty and Famines' (1981) demonstrated that most famines in the 20th century occurred not because of absolute food shortages but because of failures of entitlement — people lacked the purchasing power, political rights, or market access to obtain food that existed. This insight shifts the question from 'Is there enough food?' to 'Who has the power to access food, and why?' Land ownership and concentration is a critical issue. In many countries, the majority of fertile land is owned by a small number of large agricultural corporations or wealthy landowners, while millions of small farmers work land they do not own. Land grabbing — the large-scale acquisition of land in low-income countries by foreign investors and governments — has accelerated since the 2008 food price crisis and displaces subsistence farmers. Trade rules under the World Trade Organization have been criticised for favouring wealthy countries' agricultural exports (often subsidised) over smallholder farmers in the Global South. The food-water-energy nexus: food production is deeply interconnected with water and energy systems. Agriculture accounts for approximately 70% of all fresh water use globally. As climate change reduces freshwater availability in many regions, food production faces compounding pressures. Energy is needed to produce fertilisers, power farm machinery, and refrigerate and transport food. Rising energy prices therefore directly raise food prices. Agroecology is an approach to farming that works with ecological principles rather than against them — using diverse crops, biological pest control, soil conservation, and reduced chemical inputs. It is advocated by many development organisations as a more sustainable and just alternative to industrial agriculture, particularly for small-scale farmers in low-income countries. Food sovereignty, a concept developed by the international peasant movement La Via Campesina, goes beyond food security by asserting the right of peoples and communities to define their own food systems — what they grow, how they grow it, for whom, and under what conditions. It explicitly challenges the framing of food as a commodity and the concentration of control over food systems in transnational corporations.

Gender and food security

Women produce an estimated 60-80% of food in many low-income countries but often have less access to land, credit, and agricultural support than men. Addressing gender inequality in agriculture is one of the most effective ways to improve food security.

International institutions

The FAO (Food and Agriculture Organization of the UN) leads international efforts on food security. The World Food Programme (WFP) delivers emergency food aid. The IPCC's work on agriculture and land use is essential reading on climate-food interactions.

Key Vocabulary
Entitlement
Amartya Sen's concept: the set of resources and rights a person can access to obtain food — including income, land, social support, and legal rights. Famine occurs when entitlements collapse, not necessarily when food is absent.
Land grabbing
The large-scale acquisition of land in low-income countries by foreign investors, corporations, or governments — often displacing small farmers and undermining local food production.
Food sovereignty
The right of peoples, communities, and countries to define their own food and agriculture systems — as distinct from food security, which focuses only on access and availability.
Agroecology
A farming approach that applies ecological principles to agriculture — using biodiversity, natural pest control, and soil conservation instead of relying heavily on chemical inputs.
Food system
The entire web of activities involved in producing, processing, distributing, consuming, and disposing of food — including the environmental, economic, and social dimensions.
Food-water-energy nexus
The interconnection between food, water, and energy systems — pressure or shortage in one area directly affects the others.
Subsistence farming
Farming primarily to feed the farming family and local community, with little or no surplus sold. Most small farmers in low-income countries are subsistence or near-subsistence farmers.
FAO
The Food and Agriculture Organization of the United Nations — the main international body tracking food security and supporting sustainable agriculture worldwide.
WFP
The World Food Programme — the UN's food aid agency, the largest humanitarian organisation in the world and winner of the 2020 Nobel Peace Prize.
Agricultural subsidy
Government payments to farmers to support production. Rich countries' subsidies for their own farmers are criticised for making it impossible for farmers in poorer countries to compete on world markets.
Classroom Activities
Activity 1 — Sen's entitlement approach: why famines happen
PurposeStudents apply Amartya Sen's framework to understand that hunger is political, not just natural.
How to run itPresent this key fact: Amartya Sen, the Nobel Prize-winning economist, studied every major famine of the 20th century and found that none occurred because of an absolute shortage of food. In the 1943 Bengal famine, in which 2-3 million people died, food was actually exported from Bengal during the famine. People died because they could not afford food or lost their right to access it — not because it did not exist. Ask: What does this tell us about the cause of famine? Introduce Sen's concept of entitlement — what a person can access depends on their income, their land rights, their social support, and the political system they live in. Then apply the framework to a contemporary case — for example, South Sudan or Yemen — where conflict has destroyed people's ability to earn income and access food markets. Discuss: If hunger is fundamentally about power and entitlement, what are the implications for solutions? Does charity address the root cause? What would?
💡 Low-resource tipTeacher presents the framework and examples verbally. Students discuss in groups. No printed materials needed.
Activity 2 — Who controls the food system? (power mapping)
PurposeStudents understand the concentration of power in global food systems and its implications for food security.
How to run itPresent the following data points: four companies control approximately 60-70% of the global seed market; three to four companies control most global grain trading; supermarket chains in many countries account for the majority of all food retail. Ask students to map the journey of a food product — say, a loaf of bread — identifying who has power at each stage: seed company, fertiliser company, farmer, miller, baker, distributor, retailer. Ask: Who in this chain has the most power to set prices? Who has the least? Where does the farmer sit? Then discuss: Does this concentration of power affect food security? In what ways? What alternative models exist — cooperatives, local food systems, community-supported agriculture? What would need to change for farmers to have more power?
💡 Low-resource tipTeacher presents the data verbally. Students draw the power map on paper or the teacher draws it on the board. No printed materials needed.
Activity 3 — Food security and climate change: a compounding crisis
PurposeStudents understand how climate change interacts with existing food insecurity to create compounding risks.
How to run itPresent the following scenario: A smallholder farmer in the Sahel grows sorghum and millet on two hectares. In recent years, rains have arrived two weeks later than in her parents' generation, and are more intense but shorter. She has no access to irrigation. The price of fertiliser has risen sharply because of higher energy prices. She cannot afford crop insurance. Her local government provides little agricultural support. Ask students: What are the specific risks this farmer faces from climate change? From the economic system? From weak governance? What would she need to be food secure? Now ask: What would 'adaptation' mean for her — and who should fund it? Compare this to a large industrial farm in a wealthy country, which has irrigation, insurance, government subsidies, and access to climate data. Discuss: How does existing inequality interact with climate change to make some people's food security much more fragile than others? What obligations follow?
💡 Low-resource tipTeacher presents the scenario verbally. Students discuss in pairs then as a class. The scenario can be adapted to reflect conditions in students' own region.
Discussion Questions
  • Q1Amartya Sen argued that famines are political failures, not natural disasters. What evidence supports this claim? Can you think of a counter-example?
  • Q2The world produces enough food for everyone, yet 800 million people are hungry. What does this tell us about the nature of the problem and the solutions needed?
  • Q3Food sovereignty advocates argue that communities should control their own food systems, not global corporations or international markets. Is this a realistic or desirable goal?
  • Q4Should agricultural subsidies in wealthy countries be considered a form of injustice towards farmers in low-income countries? What are the counter-arguments?
  • Q5Women produce the majority of food in many low-income countries but have less access to land, credit, and support than men. Why might this be, and what should be done about it?
  • Q6Is individual dietary choice — such as reducing meat consumption — a meaningful contribution to global food security, or does it distract from the structural changes needed?
  • Q7The WFP won the Nobel Peace Prize in 2020. Does emergency food aid address the root causes of food insecurity, or does it risk creating dependency? What should the balance be between emergency aid and long-term development?
Writing Tasks
Task 1 — Extended essay
'Hunger is a political problem, not a natural one.' To what extent do you agree? Write 400 to 600 words.
Skills: Thesis-driven argument, use of Sen's entitlement framework, evidence about food production vs distribution, engaging with counter-argument
Task 2 — Analytical response
Explain what food sovereignty means, how it differs from food security, and why some argue it offers a more just approach to ending hunger. Write 200 to 300 words.
Skills: Distinguishing two related concepts, explaining a political argument, evaluating its strengths
Common Misconceptions
Common misconception

Population growth is the main cause of global hunger.

What to teach instead

Population growth is often cited as the primary driver of food insecurity, but the evidence does not support this as the main cause. The world already produces more than enough calories for its current population — the problem is distribution and access. Moreover, population growth tends to be highest in the regions with the greatest food insecurity, but this correlation does not prove causation. Hunger and high birth rates are both symptoms of poverty and lack of opportunity. Addressing food insecurity through improved livelihoods, women's education, and economic security tends to reduce birth rates as a consequence.

Common misconception

Industrial agriculture is the only way to feed a growing global population.

What to teach instead

This claim is frequently made by agribusiness companies, but the evidence is contested. Agroecological approaches — which work with natural systems rather than against them — have been shown in multiple studies to be capable of producing sufficient food, particularly in low-income countries. They also tend to be more resilient to climate shocks, protect biodiversity, and build soil health over time. The IPCC and the UN Special Rapporteur on the Right to Food have both called for a significant shift towards agroecological methods. Industrial agriculture's high yields often depend on declining inputs — depleting groundwater, degrading soils, and requiring increasing quantities of pesticides. The question is not only how much food can be produced now, but how sustainably.

Common misconception

Ending hunger requires more foreign aid to developing countries.

What to teach instead

Aid can play a useful role, particularly in emergencies, but it is not the primary solution to structural food insecurity. Many analysts argue that changes to trade rules, debt relief, agricultural subsidy reform in wealthy countries, and stronger land rights for small farmers would do more to address food insecurity than aid transfers. Oxfam and others have calculated that wealthy countries' agricultural subsidies — which allow them to dump cheap food on world markets — cause far more damage to farmers in low-income countries than the value of aid they provide. The framing of food security as primarily an aid problem obscures the structural injustices that cause it.

Common misconception

Food insecurity is a problem of the Global South that does not affect wealthy countries.

What to teach instead

Food insecurity exists in every wealthy country. In the United States, approximately 44 million people were food insecure in 2023. Food bank use in the UK has grown dramatically over the past decade. While the forms and severity differ from those in lower-income countries, food insecurity within wealthy nations reflects the same underlying dynamics: insufficient income, high food prices relative to wages, and inadequate social safety nets. Recognising food insecurity as a universal issue — not a distant, foreign problem — changes how we understand both its causes and solutions.

Further Information

Key resources for teachers: Amartya Sen's 'Poverty and Famines' (1981) is essential reading — the introduction and conclusion are accessible without specialist economics knowledge. The FAO's annual 'State of Food Security and Nutrition in the World' report provides current global data. For food sovereignty and agroecology, La Via Campesina's website and the publications of the UN Special Rapporteur on the Right to Food are useful. Raj Patel's 'Stuffed and Starved' (2007) provides an accessible political economy of the global food system. The ETC Group publishes detailed research on corporate concentration in the food and seed industry. For the climate-food nexus, the IPCC's Special Report on Climate Change and Land (2019) is the most authoritative source.