خيارات البحث
النتائج 191 - 200 من 5,572
Applying the food-energy-water nexus approach to urban agriculture: From FEW to FEWP (Food-Energy-Water-People) النص الكامل
2021
Caputo, Silvio | Schoen, Victoria | Specht, Kathrin | Grard, Baptiste | Blythe, Chris | Cohen, Nevin | Fox-Kämper, Runrid | Hawes, Jason | Newell, Joshua | Poniży, Lidia
Many studies examine the correlation between the use of resources such as water, energy and land, and the production of food. These nexus studies focus predominantly on large scale systems, often considering the social dimensions only in terms of access to resources and participation in the decision-making process, rather than individual attitudes and behaviours with respect to resource use. Such a concept of the nexus is relevant to urban agriculture (UA), but it requires customisation to the particular characteristics of growing food in cities, which is practiced mainly at a small scale and produces not only food but also considerable social, economic, and environmental co-benefits. To this end, this paper proposes a new conceptual basis for a UA Nexus, together with an assessment methodology that explicitly includes social dimensions in addition to food, energy and water. The conceptual basis introduces People, together with Food, Energy and Water, as a fundamental factor of the UA Nexus. On this basis, a methodology is developed measuring not only resource efficiency and food production but also motivations and health benefits. It comprises a combination of methods such as diaries of everyday UA practices, a database of UA activities, life cycle assessment (LCA), and material flow analysis to connect investigations developed at a garden scale to the city scale. A case study shows an application of the methodology.
اظهر المزيد [+] اقل [-]Troubled water, water troubles: overcoming an important constraint to food security النص الكامل
2014
frank rijsberman
Frank Rijsberman, 'Troubled water, water troubles: overcoming an important constraint to food security', 2014
اظهر المزيد [+] اقل [-]Water and water policy in world food supplies: a selected bibliography.
1985
Abbott Lisa T. | Bronars Lori | Rholes Julia M. | Hagler Jon L.
Water-borne routes of human exposure through food and drinking water
1983
Perwak, Joanne
Troubled water, water troubles: overcoming an important constraint to food security النص الكامل
Water for food, water for life: a comprehensive assessment of water management in agriculture النص الكامل
2007
Molden, David J.
Water-Energy-Food Nexus within the Framework of International Water Law النص الكامل
2015
Antti Belinskij
International water law, which regulates the uses of international watercourses that are situated partly in different States, is a highly topical sector of law. In 2014, two conventions covering the subject matter entered into force globally. At the same time, a water-food-energy nexus has become part and parcel of the development canon that emphasises the importance of the complex relationship between water, energy and food. In this article, it is discussed whether international water law supports the water-food-energy nexus approach, which aims to reconcile the different water uses in international basins. The analysis also covers the human rights to water and food from the nexus viewpoint. The legal regime of the Mekong River is used as an example of the possibilities and challenges of the nexus approach in international water law. It is concluded that despite its deficiencies international water law provides a very useful platform for the cooperation between States and different sectors that aim at guaranteeing water, food and energy security.
اظهر المزيد [+] اقل [-]Water, food and livelihoods in river basins. Special Issue, Water International النص الكامل
2009
This special issue brings together contributions from a wide range of specialists looking at aspects of the global water and food system and its impact on poverty.
اظهر المزيد [+] اقل [-]Agriculture, food and water - managing water to feed a growing population النص الكامل
2004
Steduto, P. | Bangoura, S. | Bazza, M. | Beernaerts, I. | Berney, O. | Burke, John | Casentini, B. | Chen, Z. | Eliasson, A. | Facon, Thierry | Faurès, J.M. | Fletcher-Paul, L. | Frenken, K. | Garces, Carlos | Hermans, L. | Hoogeveen, J. | Izzi, G. | Kiersch, B. | Koo-Oshima, S. | Maraux, Florent | Martinez Beltran, J. | Munoz, G. | Pavlovic, R. | Renault, Damien | Sonou, M. | Torrekens, Peter | Van Halsema, G. | Van Leeuwen, N. | Wahaj, Robina | Van Wambeke, A.
Latent heat of evaporation represents a large outgoing component of the energy balance established at a crop-stand surface. This explains why agriculture uses approximately 70% of all the freshwater withdrawn in the world. Increasing demand for water due to population growth, competition with industrial, domestic and environmental requirements, and the decreasing quality of water, limit the agricultural capacity for food production. The Water Resources, Development and Management Service (AGLW) of the Food and Agricultural Organization of the United Nations (FAO) is carrying out activities aimed at helping country members in supporting sustainable water management to securing food for a growing population. These activities cut across the various levels of the water domain, going from the (inter)national policy level down to local-level field applications. In this article, FAO's experiences in agricultural water management are used to provide lessons from the past and indicate directions for future challenges. (Résumé d'auteur)
اظهر المزيد [+] اقل [-]Structures of water in aqueous systems [State of water in food].
1978
Luck W.A.P.
