Global environmental change gec including land degradation loss of biodiversity changes in hydrology and changes in climate patterns resulting from enhanced anthropogenic emission of greenhouse gas emissions will have serious consequences for food security particularly for more vulnerable groups. Global environmental change gec represents an immediate and unprecedented threat to the food security of hundreds of millions of people especially those who depend on small scale agriculture for their livelihoods as this book shows at the same time. In brief with limited global resources and in the face of environmental changes meeting future food security challenges will first require a shift in thinking from just producing food and other sectoral interests to food systems. A food systems approach to researching food security and its interactions with global environmental change john ingram 1 food security volume 3 pages 417 431 2011 cite this article. In building the framework the paper explores and synthesizes disparate literature on food systems food security and global environmental change bridging social science and natural science
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