Most research linking global environmental change and food security focuses solely on agriculture either the impact of climate change on agricultural production or the impact of agriculture on the environment eg on land use greenhouse gas emissions pollution and or biodiversity. Food security and global environmental change global environmental change gec represents an immediate and unprecedented threat to the food security of hundreds of millions of people especially. Food security and global environmental change and over 15 million other books are available for and over 15 million other books are available for. The global food system contributes about one third of greenhouse gas emissions about 2 3 of food are lost and wasted from farm to table these losses therefore exacerbate climate change without improving food security or nutrition climate change and conflict combined destroy livelihoods drive displacement widen inequalities and undermine sustainable development. Global environmental change and food systems program diana liverman global environmental change and food systems program university of oxford environmental change institute environmental science policy volume 12 pages 373 377 doi 101016 jenvsci200904007 this work is referenced by climate change impacts in the united states the
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