With the global population projected to reach 9 billion by the year 2050 the need for nations to secure food supplies for their populations has never been more pressing. Motivation for global food security arose from concern about the difficulty scientists and policy makers have in keeping up with the expanding volume of information about the challenge of meeting human food and nutritional needs while protecting environmental services. Revised updated 2015 03 17 synopsis definition and information on food security and how global warming water shortages and crisis affect security of our food supplies food security is defined as the availability of food and ones access to it a household is considered food secure when its. The path to food security begins by exploring the challenges then developing solutions the 2018 global food security index provides a worldwide perspective on which countries are most and least vulnerable to food insecurity and how resource risks increase vulnerability
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