Food security? Food sovereignty? Know Your Food explains what you need to know: http://www.pbs.org/food/features/lexicon-of-sustainability-food-security/ The politics and culture of food are often expressed in terms of food security and food sovereignty. These terms are often used interchangeably, even though they mean different things. Erika Allen of Chicago's Grower Power explains that food security considers whether a person knows where their next meal is coming from, while food sovereignty d