Topic Summaries

Impacts of food supply scarcity

IGCSE > Geography > Pearson IGCSE > IGCSE Geography Topic Summaries > Food supply > Impacts of food supply scarcity
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Weather hazards and atmospheric circulation

Hot desert ecosystems

Cold environment ecosystems

Glacial landscapes

Glacial landform processes

Energy supply

  • Famine: a severe shortage of food leads to widespread malnourishment, hunger, and death.
  • Undernutrition: long-term lack of nutrients weakens immune systems, stunts growth, and reduces productivity.
  • Soil erosion: over-farming and deforestation to grow more food degrade soil fertility, reducing future crop yields.
  • Rising prices: food shortages increase prices, making food unaffordable for the poorest.
  • Social unrest: food shortages and high prices can cause protests and riots.

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