Water scarcity ≈ Water scarcity
View article: Four billion people facing severe water scarcity
Four billion people facing severe water scarcity Open
Global water scarcity assessment at a high spatial and temporal resolution, accounting for environmental flow requirements.
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Reassessing the projections of the World Water Development Report Open
The 2018 edition of the United Nations World Water Development Report stated that nearly 6 billion peoples will suffer from clean water scarcity by 2050. This is the result of increasing demand for water, reduction of water resources, and …
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Membrane Technologies in Wastewater Treatment: A Review Open
In the face of water shortages, the world seeks to explore all available options in reducing the over exploitation of limited freshwater resources. One of the surest available water resources is wastewater. As the population grows, industr…
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Water scarcity assessments in the past, present, and future Open
Water scarcity has become a major constraint to socio‐economic development and a threat to livelihood in increasing parts of the world. Since the late 1980s, water scarcity research has attracted much political and public attention. We her…
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The WULCA consensus characterization model for water scarcity footprints: assessing impacts of water consumption based on available water remaining (AWARE) Open
Purpose \n \nLife cycle assessment (LCA) has been used to assess freshwater-related impacts according to a new water footprint framework formalized in the ISO 14046 standard. To date, no consensus-based approach exists for applying this st…
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Global water shortage and potable water safety; Today’s concern and tomorrow’s crisis Open
Climate change, severe droughts, population growth, demand increase, and poor management during the recent decades have further stressed the scarce freshwater resources worldwide and resulted in severe water shortages in many regions. The …
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Adsorption-based atmospheric water harvesting device for arid climates Open
Water scarcity is a particularly severe challenge in arid and desert climates. While a substantial amount of water is present in the form of vapour in the atmosphere, harvesting this water by state-of-the-art dewing technology can be extre…
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Global agricultural economic water scarcity Open
We advance the notion of agricultural economic water scarcity to identify where irrigation expansion may increase food production.
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IoT-Based Smart Irrigation Systems: An Overview on the Recent Trends on Sensors and IoT Systems for Irrigation in Precision Agriculture Open
Water management is paramount in countries with water scarcity. This also affects agriculture, as a large amount of water is dedicated to that use. The possible consequences of global warming lead to the consideration of creating water ada…
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Modeling global water use for the 21st century: the Water Futures and Solutions (WFaS) initiative and its approaches Open
To sustain growing food demand and increasing standard of living, global water use increased by nearly 6 times during the last 100 years, and continues to grow. As water demands get closer and closer to the water availability in many regio…
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Rapid Cycling and Exceptional Yield in a Metal-Organic Framework Water Harvester Open
Sorbent-assisted water harvesting from air represents an attractive way to address water scarcity in arid climates. Hitherto, sorbents developed for this technology have exclusively been designed to perform one water harvesting cycle (WHC)…
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Wastewater Treatment and Reuse: a Review of its Applications and Health Implications Open
Water scarcity is one of the major problems in the world and millions of people have no access to freshwater. Untreated wastewater is widely used for agriculture in many countries. This is one of the world-leading serious environmental and…
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Drought in a human-modified world: reframing drought definitions,understanding, and analysis approaches Open
In the current human-modified world, or Anthropocene, the state of water stores and fluxes has become dependent on human as well as natural processes. Water deficits (or droughts) are the result of a complex interaction between meteorologi…
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Global water scarcity including surface water quality and expansions of clean water technologies Open
Water scarcity threatens people in various regions, and has predominantly been studied from a water quantity perspective only. Here we show that global water scarcity is driven by both water quantity and water quality issues, and quantify …
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A Review of the Water Desalination Technologies Open
Desalination is commonly adopted nowadays to overcome the freshwater scarcity in some areas of the world if brackish water or salt water is available. Different kinds of technologies have been proposed in the last century. In this paper, t…
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The challenges of water, waste and climate change in cities Open
Cities play a prominent role in our economic development as more than 80 % of the gross world product (GWP) comes from cities. Only 600 urban areas with just 20 % of the world population generate 60 % of the GWP. Rapid urbanization, climat…
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Water reuse from a circular economy perspective and potential risks from an unregulated approach Open
Considerations including water scarcity in arid and semi-arid regions, water security concerns in areas where water demand exceeds water availability, and rigorous and costly requirements to remove nutrients and emerging contaminants from …
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Water Supply and Water Scarcity Open
This paper provides an overview of the Special Issue on water supply and water scarcity. The papers selected for publication include review papers on water history, on water management issues under water scarcity regimes, on rainwater harv…
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Fresh Water availability and Its Global challenge Open
Water is prime natural resources fulfilling our needs in a precisious assets.we must acts to preserve and utilize every drop of water.water resources can be assessed on the basis of surface and subsurface water bodies.Climate change impact…
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Plasma-based water purification: Challenges and prospects for the future Open
Freshwater scarcity derived from seasonal weather variations, climate change, and over-development has led to serious consideration for water reuse. Water reuse involves the direct processing of wastewater for either indirect or directly p…
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Some Characteristics and Impacts of the Drought and Water Crisis in Southeastern Brazil during 2014 and 2015 Open
Since the austral summer of 2014 southeastern Brazil has been experiencing one of the most severe droughts in decades. This rainfall deficiency has generated water shortages and a water crisis that have affected population and local econom…
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Life Cycle Assessment and Water Footprint of Hydrogen Production Methods: From Conventional to Emerging Technologies Open
A common sustainability issue, arising in production systems, is the efficient use of resources for providing goods or services. With the increased interest in a hydrogen (H2) economy, the life-cycle environmental performance of H2 product…
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Water Scarcity and Wastewater Reuse in Crop Irrigation Open
Due to climate change, two-thirds of mankind will face water scarcity by 2025, while by 2050, global food production must increase by at least 50% to feed 9 billion people. To overcome water scarcity, 15 million m3/day of untreated wastewa…
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A triple increase in global river basins with water scarcity due to future pollution Open
Water security is at stake today. While climate changes influence water availability, urbanization and agricultural activities have led to increasing water demand as well as pollution, limiting safe water use. We conducted a global assessm…
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Urban water security: A review Open
We review the increasing body of research on urban water security. First, we reflect on the four different focusses in water security literature: welfare, equity, sustainability and water-related risks. Second, we make an inventory of the …
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Human–water interface in hydrological modelling: current status and future directions Open
Over recent decades, the global population has been rapidly increasing and human activities have altered terrestrial water fluxes to an unprecedented extent. The phenomenal growth of the human footprint has significantly modified hydrologi…
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Contributions of recycled wastewater to clean water and sanitation Sustainable Development Goals Open
Water resources are essential for every development activity, not only in terms of available quantity but also in terms of quality. Population growth and urbanisation are increasing the number of users and uses of water, making water resou…
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Deceleration of China’s human water use and its key drivers Open
Increased human water use combined with climate change have aggravated water scarcity from the regional to global scales. However, the lack of spatially detailed datasets limits our understanding of the historical water use trend and its k…
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Water, Soil, and Plants Interactions in a Threatened Environment Open
The unprecedented pressure posed by a growing population on water resources generates a significant shortage between the available resources and water demand, which together with water scarcity, floods, and droughts, can affect the world p…
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Lessons from California’s 2012–2016 Drought Open
California’s 5-year drought has ended, even as its aftermath lingers. From 2012–2016 much or all of California was under severe drought conditions, with greatly diminished precipitation, snowpack, and streamflow and higher temperatures. Wa…