Food Security

• 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 biological threats to food security?

  1. Increasing birth rates
  2. Changing food tastes in developed countries
  3. New pests and pathogens
  4. Environmental change
  5. Resource-intensive 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 need to import food?

  They cannot grow a variety of foods year-round
• What are pests that threaten food security?

  Caterpillars and other crop-eating insects
• How do pathogens threaten food security?

  They cause infectious diseases in crops
• What is one effect of global warming on food security?

  Unpredictable weather affecting crop growth
• How can changing rainfall patterns lead to famine?

  They may prevent countries from growing crops
• What resources do modern farming methods require?

  Fertilizers and animal feed
• How does the increasing world population affect farming resources?

  Resources may become more expensive
• What is a consequence of conflicts on food security?

  Farming can be disrupted during wars
• Why is it essential to find sustainable methods to feed the population?

  To ensure long-term food security
• Where can students find questions on food security?

  • In the vision workbook
  • By clicking the provided link