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A water-energy-food (WEF) nexus assessment supports natural resource management by providing an integrated framework for evaluation and decision-making. The participation of a wide range of stakeholders is essential for achieving environmental, economic, and social sustainability in this framework.
The aim of water security is to make the most of water's benefits for humans and ecosystems. The second aim is to limit the risks of destructive impacts of water to an acceptable level. [1][2] These risks include for example too much water (flood), too little water (drought and water scarcity) or poor quality (polluted) water. [1]
Food security. Food security is the state of having reliable access to a sufficient quantity of affordable, nutritious food. The availability of food for people of any class, gender or religion is another element of food security. Similarly, household food security is considered to exist when all the members of a family, at all times, have ...
A sustainable food system (SFS) is a food system that delivers food security and nutrition for all in such a way that the economic, social and environmental bases to generate food security and nutrition for future generations are not compromised. This means that:
Poor management of phosphorus is leading to water pollution and food shortages, with farmers struggling to afford some fertilisers for their crops.
The right to food protects the right of all human beings to be free from hunger, food insecurity, and malnutrition. [4] The right to food implies that governments only have an obligation to hand out enough free food to starving recipients to ensure subsistence, it does not imply a universal right to be fed.
Water risk refers to the possibility of problems to do with water. Examples are water scarcity, water stress, flooding, infrastructure decay and drought. [28]: 4 There exists an inverse relationship between water risk and water security. This means as water risk increases, water security decreases. Water risk is complex and multilayered.
Rights. The human right to water and sanitation (HRWS) is a principle stating that clean drinking water and sanitation are a universal human right because of their high importance in sustaining every person's life. [1] It was recognized as a human right by the United Nations General Assembly on 28 July 2010. [2]