Special Viewpoints

Global Food Security: Challenges and Policies

Science  12 Dec 2003:
Vol. 302, Issue 5652, pp. 1917-1919
DOI: 10.1126/science.1092958

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Abstract

Global food security will remain a worldwide concern for the next 50 years and beyond. Recently, crop yield has fallen in many areas because of declining investments in research and infrastructure, as well as increasing water scarcity. Climate change and HIV/AIDS are also crucial factors affecting food security in many regions. Although agroecological approaches offer some promise for improving yields, food security in developing countries could be substantially improved by increased investment and policy reforms.

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