The Water Footprint of Global Food Production

Agricultural production is the main consumer of water. Future population growth, income growth, and dietary shifts are expected to increase demand for water. The paper presents a brief review of the water footprint of crop production and the sustainability of the blue water footprint. The estimated...

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Main Authors: Mesfin M. Mekonnen, Winnie Gerbens-Leenes
Format: Article
Language:English
Published: MDPI AG 2020-09-01
Series:Water
Subjects:
Online Access:https://www.mdpi.com/2073-4441/12/10/2696
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author Mesfin M. Mekonnen
Winnie Gerbens-Leenes
author_facet Mesfin M. Mekonnen
Winnie Gerbens-Leenes
author_sort Mesfin M. Mekonnen
collection DOAJ
description Agricultural production is the main consumer of water. Future population growth, income growth, and dietary shifts are expected to increase demand for water. The paper presents a brief review of the water footprint of crop production and the sustainability of the blue water footprint. The estimated global consumptive (green plus blue) water footprint ranges from 5938 to 8508 km<sup>3</sup>/year. The water footprint is projected to increase by as much as 22% due to climate change and land use change by 2090. Approximately 57% of the global blue water footprint is shown to violate the environmental flow requirements. This calls for action to improve the sustainability of water and protect ecosystems that depend on it. Some of the measures include increasing water productivity, setting benchmarks, setting caps on the water footprint per river basin, shifting the diets to food items with low water requirements, and reducing food waste.
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spelling doaj.art-4dcd86fa95a94863a708bb31ee4ccd382023-11-20T15:13:12ZengMDPI AGWater2073-44412020-09-011210269610.3390/w12102696The Water Footprint of Global Food ProductionMesfin M. Mekonnen0Winnie Gerbens-Leenes1Department of Civil, Construction and Environmental Engineering, University of Alabama, Tuscaloosa, AL 35401, USAIntegrated Research on Energy, Environment and Society (IREES), University of Groningen, Nijenborg 6, 9747 AG Groningen, The NetherlandsAgricultural production is the main consumer of water. Future population growth, income growth, and dietary shifts are expected to increase demand for water. The paper presents a brief review of the water footprint of crop production and the sustainability of the blue water footprint. The estimated global consumptive (green plus blue) water footprint ranges from 5938 to 8508 km<sup>3</sup>/year. The water footprint is projected to increase by as much as 22% due to climate change and land use change by 2090. Approximately 57% of the global blue water footprint is shown to violate the environmental flow requirements. This calls for action to improve the sustainability of water and protect ecosystems that depend on it. Some of the measures include increasing water productivity, setting benchmarks, setting caps on the water footprint per river basin, shifting the diets to food items with low water requirements, and reducing food waste.https://www.mdpi.com/2073-4441/12/10/2696agriculturefood productionsustainable dietfood wastewater sustainability
spellingShingle Mesfin M. Mekonnen
Winnie Gerbens-Leenes
The Water Footprint of Global Food Production
Water
agriculture
food production
sustainable diet
food waste
water sustainability
title The Water Footprint of Global Food Production
title_full The Water Footprint of Global Food Production
title_fullStr The Water Footprint of Global Food Production
title_full_unstemmed The Water Footprint of Global Food Production
title_short The Water Footprint of Global Food Production
title_sort water footprint of global food production
topic agriculture
food production
sustainable diet
food waste
water sustainability
url https://www.mdpi.com/2073-4441/12/10/2696
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