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      Climate Change and Global Food Systems: Potential Impacts on Food Security and Undernutrition

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          Great progress has been made in addressing global undernutrition over the past several decades, in part because of large increases in food production from agricultural expansion and intensification. Food systems, however, face continued increases in demand and growing environmental pressures. Most prominently, human-caused climate change will influence the quality and quantity of food we produce and our ability to distribute it equitably. Our capacity to ensure food security and nutritional adequacy in the face of rapidly changing biophysical conditions will be a major determinant of the next century's global burden of disease. In this article, we review the main pathways by which climate change may affect our food production systems—agriculture, fisheries, and livestock—as well as the socioeconomic forces that may influence equitable distribution.

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          Maternal and child undernutrition and overweight in low-income and middle-income countries

          The Lancet, 382(9890), 427-451
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            Food waste within food supply chains: quantification and potential for change to 2050

            Food waste in the global food supply chain is reviewed in relation to the prospects for feeding a population of nine billion by 2050. Different definitions of food waste with respect to the complexities of food supply chains (FSCs)are discussed. An international literature review found a dearth of data on food waste and estimates varied widely; those for post-harvest losses of grain in developing countries might be overestimated. As much of the post-harvest loss data for developing countries was collected over 30 years ago, current global losses cannot be quantified. A significant gap exists in the understanding of the food waste implications of the rapid development of ‘BRIC’ economies. The limited data suggest that losses are much higher at the immediate post-harvest stages in developing countries and higher for perishable foods across industrialized and developing economies alike. For affluent economies, post-consumer food waste accounts for the greatest overall losses. To supplement the fragmentary picture and to gain a forward view, interviews were conducted with international FSC experts. The analyses highlighted the scale of the problem, the scope for improved system efficiencies and the challenges of affecting behavioural change to reduce post-consumer waste in affluent populations.
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              Rising temperatures reduce global wheat production


                Author and article information

                Annual Review of Public Health
                Annu. Rev. Public Health
                Annual Reviews
                March 20 2017
                March 20 2017
                : 38
                : 1
                : 259-277
                [1 ]Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts 02115;, , ,
                [2 ]Harvard University Center for the Environment, Cambridge, Massachusetts 02138;
                [3 ]Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138;,
                [4 ]Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138
                [5 ]Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London WC1E 7HT, United Kingdom;
                © 2017



                Crops,Biorenewable resources,Agricultural ecology,Agricultural engineering,Agricultural economics & Resource management,Biotechnology


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