farmradio.org/english/partners/voices/Voices_79.pdf [Site consulté le 20 janvier 2009]. Ward et al. (1999). Gray leaf spot: a disease of global importance in maize production. Plant disease 83 (10): 884–895. WHO (2007). The World Health Report. A Safer Future. Global Public

Health Security in the 21st Century. WHO, Geneva, Switzerland. Disponi- ble en ligne à l’adresse suivante : http://www.who.int/whr/2007/whr07_ en.pdf [Site consulté le 20 janvier 2009]. Winiger et al. (2005). Karakorum-Hindukush-western Himalaya: as- sessing high-altitude water resources. Hydrological Processes 19 (12): 23–29–2338. Wodon et al. (2008). Poverty impact of higher food prices in Sub-Saharan Africa and policy responses. Mimeo, World Bank, Washington D.C. Wood et al. (2000). Pilot Analysis of Global Ecosystems: Agro-ecosys- tems. A Joint Study by International Food Policy Research Institute and World Resources Institute, Washington, D.C. World Bank (2007). World Development Report 2007: Development and

the Next Generation. World Bank, Washington, D.C. World Bank (2008). Rising Food and Fuel Prices: Addressing the Risks

to Future Generations. World Bank, Washington, D.C. Disponible en ligne à l’adresse suivante : http://siteresources.worldbank.org/DEVCOMMEXT/ Resources/Food-Fuel.pdf?resourceurlname=Food-Fuel.pdf [Site consulté le 20 janvier 2009].

World Bank (Double Jeopardy: Responding to High Food and Fuel Pri-

ces. World Bank, Washington, D.C. Disponible en ligne à l’adresse suivante : http://siteresources.worldbank.org/NEWS/MiscContent/21828409/G8- HL-summit-paper.pdf [Site consulté le 20 janvier 2009]. World Bank (2009). Global Economic Prospects: Commodities at the

Crossroads. World Bank, Washington, D.C. Disponible en ligne à l’adres- se suivante : http://siteresources.worldbank.org/INTGEP2009/Resour- ces/10363_WebPDF-w47.pdf [Site consulté le 20 janvier 2009]. World Urbanization Prospects: The 2007 Revision. CD-ROM Edition – Data in digital form (POP/ DB/WUP/Rev.2007). WRAP (2008). Food waste report 2: The food we waste. WRAP, U.K. Dispo- nible en ligne à l’adresse suivante : http://www.wrap.org.uk/downloads/The_ Food_We_Waste_v2__2_.d3471041.5635.pdf [Site consulté le 20 janvier 2009]. WRI (2003). Watersheds of Asia and Oceania. WRI, Washington D.C. Disponible en ligne à l’adresse suivante : http://earthtrends.wri.org/maps_ spatial/watersheds/asiaocea.php [Site consulté le 20 janvier 2009]. Yang et al. (2003). A water resources threshold and its implications for food security. Environmental science and technology 37 (14): 3048–3054. Zhang et al. (2007). Detection of Bemisia tabaci remains in predator guts using a sequence-characterized amplified region marker. Entomologica ex- perimentalis et applicata 123 (1): 81–90. Zhu et al. (2000). Genetic diversity and disease control in rice. Nature 406: 718–722.

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