availability of food

• What is the current population of humans on Earth?

  Approximately 7.5 billion people
• What does food security mean?

  Having enough food to feed a population
• Why is food security increasingly important?

  More people live in cities, fewer grow food
• What are the six biological threats to food security?

  1. Increasing birth rates
  2. Changing food tastes
  3. New pests and pathogens
  4. Environmental change
  5. Resource demands of modern farming
  6. Conflicts and war
• How does an increasing birth rate affect food security?

  It requires more food to feed the population
• Why do developed countries like the UK need to import food?

  They cannot grow a variety of foods year-round
• What are pests and pathogens in relation to food security?

  Pests eat crops; pathogens cause diseases
• How can environmental change threaten food security?

  It can lead to unpredictable weather patterns
• What effect does global warming have on food production?

  It can change rainfall patterns affecting crops
• What resources do modern farming methods require?

  Fertilizers and food for livestock
• How does the increasing world population affect farming resources?

  Resources may become more expensive and scarce
• How do conflicts threaten food security?

  They disrupt farming and food imports
• What is essential for long-term food security?

  Finding sustainable methods to feed everyone
• Where can students find questions on food security?

  • In the vision workbook
  • By clicking the provided link