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Global water outlook to 2025 : averting an impending crisis

Based on the IMPACT-WATER model, a global model of supply and demand for food and water, the report presents three alternative scenarios for global water and food : the business as usual scenario; the water crisis scenario, and the sustainable water scenario. It then examines what would happen if policymakers and water users raised water prices, shifted to sustainable groundwater use, or better exploited the potential of rainfed agriculture. Three broad strategies are proposed to prevent water scarcity for food: [1] invest in infrastructure to increase the supply of water for irrigation, domestic, and industrial purposes;[2] conserve water and improve the efficiency of water use in existing systems through reforms in water management and policy; and [3] improve crop productivity per unit of water and land through integrated water management and agricultural research and policy efforts, including crop breeding and water management for rainfed agriculture.

TitleGlobal water outlook to 2025 : averting an impending crisis
Publication TypeBook
Year of Publication2002
AuthorsRosegrant, M.W., Ximing Cai, Cline, S.A.
Secondary TitleFood policy report
Paginationv, 26 p., 18 fig., 2 tab.
Date Published2002-09-01
PublisherInternational Water Management Institute (IWMI)
Place PublishedColombo, Sri Lanka
ISSN Number0896296466
Keywordsagriculture, crop production, efficiency, food, groundwater, investment, models, policies, rainwater harvesting, sdiwrm, sustainable development, water conservation, water resources management, water shortage, water supply, water supply charges
Abstract

Based on the IMPACT-WATER model, a global model of supply and demand for food and water, the report presents three alternative scenarios for global water and food : the business as usual scenario; the water crisis scenario, and the sustainable water scenario. It then examines what would happen if policymakers and water users raised water prices, shifted to sustainable groundwater use, or better exploited the potential of rainfed agriculture. Three broad strategies are proposed to prevent water scarcity for food: [1] invest in infrastructure to increase the supply of water for irrigation, domestic, and industrial purposes;[2] conserve water and improve the efficiency of water use in existing systems through reforms in water management and policy; and [3] improve crop productivity per unit of water and land through integrated water management and agricultural research and policy efforts, including crop breeding and water management for rainfed agriculture.

NotesIncludes references. - On title page: "A 2020 Vision for Food, Agriculture, and the Environment Initiative"
Custom 1210, 276
Original PublicationWorld water and food to 2025 : dealing with scarcity

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