uk food security

• what is the effectiveness of one past attempt for food security at a national scale

  higher yielding crops and animals used

  use of monoculture

  increased use of chemicals e.g. fertilisers

  increased use of machinery to sow, harvest

  more farming increased food production
• what are the negatives of intensifying farming

  monoculture reduces biodiversity

  chemicals in fertilisers cause water and soil pollution which disrupt ecosystems

  overexploiting land reduces soil fertility
• what is the effectiveness of one present attempt for food security at a national scale

  -hydroponics are more sustainable as they reduce damage to the environment by recycling water

  - hydroponics increase food production
• negatives of using hydroponics

  expensive to set up which increases the coat of food production so food will be too expensive for some people

  some hydroponics facilities destroy natural habitats

  large amounts of energy are used to power greenhouses
• benefits of food banks at a local scale

  people in need of emergencies are helped by doctors and social workers

  it is successful
• negatives of food banks

  they face pressure around Christmas because demand is high
• how has food consumption and availability changed over time in the uk

  since the 1940s food consumption has fallen

  food availability has risen, people have enough to eat due to the agricultural policy in the 1950s which increased crops such as wheat
• how can allotments be used to increase food security at a local level

  allotments:

  advantages:

  they grow food to promote healthy outdoor activity

  provides a positive use of open space

  disadvantages:

  long waiting lists for allotment spaces due to rising food prices