Food security will exist when all people, at all times, have physical and economic access to sufficient, safe and nutritious food to meet their dietary needs and food preferences for an active and healthy life (as stated in the Rome Declaration in 1996). Given the dimension of the current global food crisis, food security means adopting effective and specific actions at individual, household, national, regional and global levels. Food security invites us to reflect upon ethical principles like human equity, justice between current and future generations, respect for human dignity and...