The role of water circularity in the food-water-energy nexus and climate change mitigation

By 2050, the global Earth population will reach 10 billion, leading to increased water, food, and energy needs. Availability of water in sufficient quantities and appropriate quality is a prerequisite for human societies and natural ecosystems. In many parts of the world, excessive water consumption...

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Main Author: Caroline Samberger
Format: Article
Language:English
Published: Elsevier 2022-06-01
Series:Energy Nexus
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2772427122000249
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author Caroline Samberger
author_facet Caroline Samberger
author_sort Caroline Samberger
collection DOAJ
description By 2050, the global Earth population will reach 10 billion, leading to increased water, food, and energy needs. Availability of water in sufficient quantities and appropriate quality is a prerequisite for human societies and natural ecosystems. In many parts of the world, excessive water consumption and pollution by human activities put enormous pressure on this availability as well as on food and energy security, environmental quality, economic development, and social well-being. Water, food/materials, and energy are strongly interlinked, and the choices made in one area often have consequences on the others. This is commonly referred to as the “water-food-energy” nexus. These interconnections intensify as the demand for resources increases with population growth and changing consumption patterns, and Humanity continues using a linear economy model of ‘take-make-dispose’. The nexus makes it difficult for governments, public and private organizations, and the public, to set and follow a clear path towards a sustainable economy i.e., “meeting the needs of the present without compromising the ability of future generations to meet their own needs”. Humanity best chance at mitigating climate change, and shortage of resources is to harness the value of water as much as possible.This paper reviews the latest publications about the water-food-energy nexus and climate change, putting numbers into perspective, attempting to explain why water circularity is part of the key factors to accelerate the transition from a linear economy to a circular economy, and to meet the UN Sustainable Development Goals, and how circularity can be implemented in the water sector.
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spelling doaj.art-724421963945411095938198675cf6a52022-12-22T02:33:10ZengElsevierEnergy Nexus2772-42712022-06-016100061The role of water circularity in the food-water-energy nexus and climate change mitigationCaroline Samberger0Wastewater, Energy and Environmental Services, Stantec - Buckingham Court, Kingsmead Business Park, Frederick Place, London Rd, High Wycombe HP11 1JU, UKBy 2050, the global Earth population will reach 10 billion, leading to increased water, food, and energy needs. Availability of water in sufficient quantities and appropriate quality is a prerequisite for human societies and natural ecosystems. In many parts of the world, excessive water consumption and pollution by human activities put enormous pressure on this availability as well as on food and energy security, environmental quality, economic development, and social well-being. Water, food/materials, and energy are strongly interlinked, and the choices made in one area often have consequences on the others. This is commonly referred to as the “water-food-energy” nexus. These interconnections intensify as the demand for resources increases with population growth and changing consumption patterns, and Humanity continues using a linear economy model of ‘take-make-dispose’. The nexus makes it difficult for governments, public and private organizations, and the public, to set and follow a clear path towards a sustainable economy i.e., “meeting the needs of the present without compromising the ability of future generations to meet their own needs”. Humanity best chance at mitigating climate change, and shortage of resources is to harness the value of water as much as possible.This paper reviews the latest publications about the water-food-energy nexus and climate change, putting numbers into perspective, attempting to explain why water circularity is part of the key factors to accelerate the transition from a linear economy to a circular economy, and to meet the UN Sustainable Development Goals, and how circularity can be implemented in the water sector.http://www.sciencedirect.com/science/article/pii/S2772427122000249Water-food-energy nexusCircular economySustainabilityClimate changeSDGsMaterial and energy recovery
spellingShingle Caroline Samberger
The role of water circularity in the food-water-energy nexus and climate change mitigation
Energy Nexus
Water-food-energy nexus
Circular economy
Sustainability
Climate change
SDGs
Material and energy recovery
title The role of water circularity in the food-water-energy nexus and climate change mitigation
title_full The role of water circularity in the food-water-energy nexus and climate change mitigation
title_fullStr The role of water circularity in the food-water-energy nexus and climate change mitigation
title_full_unstemmed The role of water circularity in the food-water-energy nexus and climate change mitigation
title_short The role of water circularity in the food-water-energy nexus and climate change mitigation
title_sort role of water circularity in the food water energy nexus and climate change mitigation
topic Water-food-energy nexus
Circular economy
Sustainability
Climate change
SDGs
Material and energy recovery
url http://www.sciencedirect.com/science/article/pii/S2772427122000249
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