As defined by Radimer (2002) food security is the ability of all people to access at all times enough food for an active, healthy life. Food security can be broken into two components or aspects:
Countries place different levels of importance on these aspects depending on the risks they face. Food security is important at global, national and regional levels. The global challenge will be to increase food production through improved agricultural productivity, whilst managing environmental impacts and ensuring equitable access to food across the world’s nations and regions.