---
contributors: []
description: ~
display_name: "Chapter 2: Key Concepts and Definitions (in 'Climate Change Global Food Security and the U.S. Food System')"
doi: ~
figures:
  - display_name: '2.8: Food system activities and feedbacks'
    href: http://52.38.26.42:8080/report/usda-climate-change-global-food-security-us-food-system-2015/chapter/key-concepts-definitions/figure/food-system-activities-feedbacks-2.yaml
    uri: /report/usda-climate-change-global-food-security-us-food-system-2015/chapter/key-concepts-definitions/figure/food-system-activities-feedbacks-2
  - display_name: '2.9: Food system drivers, interactions, and feedbacks'
    href: http://52.38.26.42:8080/report/usda-climate-change-global-food-security-us-food-system-2015/chapter/key-concepts-definitions/figure/food-system-drivers-interactions-feedbacks.yaml
    uri: /report/usda-climate-change-global-food-security-us-food-system-2015/chapter/key-concepts-definitions/figure/food-system-drivers-interactions-feedbacks
files: []
findings: []
href: http://52.38.26.42:8080/report/usda-climate-change-global-food-security-us-food-system-2015/chapter/key-concepts-definitions.yaml
identifier: key-concepts-definitions
number: 2
report_identifier: usda-climate-change-global-food-security-us-food-system-2015
tables:
  - display_name: '2.2: The Components of Food Security'
    href: http://52.38.26.42:8080/report/usda-climate-change-global-food-security-us-food-system-2015/chapter/key-concepts-definitions/table/components-food-security-2.yaml
    uri: /report/usda-climate-change-global-food-security-us-food-system-2015/chapter/key-concepts-definitions/table/components-food-security-2
title: Key Concepts and Definitions
uri: /report/usda-climate-change-global-food-security-us-food-system-2015/chapter/key-concepts-definitions
url: ~