Respuesta :
Subsistence can include research including food and clothing although it is most commonly looked at as the “quest for food, documented almost everywhere by the waste products of food preparation, both plant and animal.Food, energy and water: this is what the United Nations refers to as the ‘nexus’ of sustainable development.
As the world’s population has expanded and gotten richer, the demand for all three has seen a rapid increase. Not only has demand for all three increased, but they are also strongly interlinked: food production requires water and energy; water power can be used as a source of energy; agriculture provides a potential energy source.Ensuring everyone in the world has access to a nutritious diet in a sustainable way is one of the greatest challenges we face. On this page you can find our data, visualizations, and writing relating to the environmental impacts of food.Food security speaks to the availability of food in a country (or geography) and the ability of individuals within that country (geography) to access, afford, and source adequate foodstuffs. According to the United Nations' Committee on World Food Security, food security is defined as meaning that all people, at all times, have physical, social, and economic access to sufficient, safe, and nutritious food that meets their food preferences and dietary needs for an active and healthy life.The availability of food irrespective of class, gender or region is another element of food security.
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