Brackish groundwater has the potential to replace fresh water for cooling coal- and natural gas-fired power plants, but treatment can be energy intensive. The study found that retrofitting power plants to use brackish water could nearly eliminate fresh water usage, but increase electricity generation costs by 8-10%.
A new study from the University of Colorado Boulder documents more than 60 years of change in snowpack water storage across Western North America. The researchers found that snowpack water storage has significantly declined in over 25% of the Mountain West, leading to earlier water scarcity and impacts on agriculture and wildfire risk.
A study analyzing the affordability of water services for 28.3 million people in the US found that 15% of households, or one in seven, face financial hardship in paying for access to water and wastewater services. The researchers suggest that solutions require comprehensive strategies at local, state, and federal levels.
A study found that California's mandatory water-use cuts in 2015 and 2016 resulted in ongoing water efficiencies, with higher-end water users adopting technology and achieving smaller rebound effects. Lower-end users, however, resumed watering their lawns after the mandate was lifted, contributing to a modest increase in water use.
Researchers developed a suite of tools to assess economic benefits of improving urban stream water quality. The 'ecological production function framework' estimates use and non-use benefits, including increased property values and protected natural resources.
Researchers from the University of South Florida and EPA developed a new classification system to target wetland restoration and protection. The system categorizes freshwater wetlands into four classes based on their proximity to streams, demonstrating the effects of wetlands on water quality at a continental scale.
A new study by Columbia University Mailman School of Public Health finds that water arsenic levels are associated with higher urinary arsenic among the U.S. population, especially in public water supplies in the West and South regions. The researchers found that private well users and those in public water systems have higher urinary a...
A new study reveals that Indigenous groups in the western US are struggling to turn their legal right to water into actual water use, despite having settled their water-rights claims. The findings show that tribes are likely using only a fraction of their entitled water rights, resulting in significant revenue losses.
A study published in Nature Water shows that boil water alerts significantly disrupt student learning, with unexcused absence rates increasing between 1% and 10%. Chronic exposure to contaminated water can have long-term impacts on a child's life.
Research reveals that social inequalities are driving urban water crises in cities worldwide, with affluent individuals consuming a disproportionate share of water for leisure activities. The study suggests that addressing unsustainable water consumption among the wealthy is crucial to reducing these crises.
A study published in Health Affairs found that German hospitals with high quality ratings were more likely to decrease their quality levels, while those with low ratings improved. The authors recommend increasing public access to hospital quality information and promoting its use among referring physicians to drive quality improvement.
Researchers have found a new water reservoir on the Moon, discovered in impact glass beads, which can buffer the lunar surface water cycle. The study suggests that these beads can store and release solar wind-derived water, indicating their potential for in-situ resource utilization.
A new study from the University of Surrey found that Water Safety Plans are not widely used in small drinking supplies in vulnerable rural areas due to a lack of awareness and training. This could put countless lives at risk, as these plans aim to improve the quality of small drinking water supplies.
A study found that self-reported sleep quality is significantly associated with quality of life for individuals over time and when comparing between people. High-quality sleep improves quality of life regardless of sleep duration or timing.
Scientists have detected water in the disk forming around a nearby protostar, V883 Ori, using ALMA. The discovery provides evidence that water in our Solar System formed billions of years before the Sun.
The study estimates that tap water scald burns result in significant healthcare costs, with average costs of $572 per emergency department visit and $28,431 per hospital stay. Thermostatic mixing valves could reduce the risk of these burns by mixing hot water with cold water.
A study found that a commercial water purifier may have caused Mycobacterium abscessus infections in 4 cardiac surgery patients due to chlorine depletion. The hospital's water system was contaminated via municipal water, emphasizing the importance of monitoring and preventing mycobacteria.
A new USC study found that people's concerns about severe weather are significantly more predictive of their concerns about water safety than concerns about climate change. This suggests that warning people about water safety and other environmental threats is more effective when linked to extreme weather rather than climate change.
Researchers at KAUST have developed a rapid and sensitive soil moisture sensor using metal-organic frameworks (MOFs) to optimize water usage in agriculture. The MOF-based sensor shows high sensitivity and selectivity for water even in the presence of metal ions, enabling precise irrigation management.
A sunlight-powered porous hydrogel inspired by loofahs can rapidly absorb and release purified water. The material has the potential to meet a person's daily demand, regardless of light conditions.
The study examines the impact of climate change and economic sustainability on drinking water management strategies. The integrated assessment framework assesses factors such as water quality, environmental changes, and potential costs to determine performance data and benchmarking.
Researchers designed and fabricated a water wave superscattering device based on degeneracy resonance, breaking the single channel scattering limit. The device achieved enhanced water wave scattering using metamaterials, promising applications in marine energy harvesting and coastal protection.
Using machine learning to study water's phase changes, researchers found strong computational evidence in support of liquid-liquid transition. This technique can be applied to real-world systems that use water, informing water's use in industrial processes and climate models.
Researchers used AI to design and test thousands of functional group patterns on a carbon nanotube pore, finding optimal arrangements that can filter out contaminants. The study demonstrates AI's potential in developing new types of water purification membranes.
A new study of thousands measures daily water intake and turnover in people worldwide, revealing significant variations. The study found that physical activity level, sex, age, and environmental factors drive differences in water consumption.
A global study of human water requirements found that water turnover varies with factors like age, climate, and body composition. The research developed an equation to predict individual water usage, with higher rates in younger adults and those with lower human development indices.
A new study published in Science found that the recommended eight 8-oz glasses of water per day is too high for human needs. Water turnover, measured objectively using a stable isotope technique, showed higher values in hot and humid environments, athletes, pregnant women, and individuals with high physical activity. The researchers de...
Researchers discovered a novel water sensing mechanism called 'Hydro-Signalling' that links hormone movement with water fluxes, enabling plant roots to pause and resume branching based on moisture availability. This adaptation helps plants survive in drought conditions and informs the development of climate-resilient crops.
A new study by the University of Gothenburg reveals that the salinity of surface water is crucial for sea ice formation at low temperatures. The study finds that warm water is prevented from rising to the surface due to its lower salinity, creating a 'lid' that allows cold polar temperatures to freeze continuously moving warmer water.
Researchers have developed a novel proposal for designing flip-flop dynamic crystals with temperature-regulated apertures to separate water isotopologues. The new material exhibits excellent separation factor and high selectivity, overcoming the century-old challenge in separation science.
A new study by Stanford University scientists reveals that beaver dams can have a significant positive impact on river water quality in the US West. The dams raise water levels, diverting nutrients and contaminants into surrounding soils, which act as filters, improving water quality.
Two billion people globally rely on mountain water for drinking and irrigation, which is under threat due to global heating. Researchers propose integrated water strategies that include scientists working directly with communities to drive climate adaptation and boost water security.
Researchers have discovered that aluminous silicas play a significant role in transporting water into the Earth's deep interior. These minerals can hold large amounts of water even at high temperatures, challenging previous assumptions about the water cycle in the mantle.
A recent study has identified key factors influencing the eating quality of hybrid rice, including single-grain composition and physicochemical indicators. The research developed a novel technology to analyze these traits, enabling rapid and nondestructive detection of high-quality rice.
Researchers developed a new global water quality model to assess current and future pollution status of rivers and streams globally. The study found that achieving the SDG target would not be enough to protect surface water quality in some regions, particularly in sub-Saharan Africa and South Asia.
A new study by UTA hydrologist Ricardo Sánchez-Murillo has created detailed maps of Tegucigalpa's water sources, charting areas critical to recharge. These maps could help Honduras implement stricter urbanization and agriculture regulations to conserve water and protect vital landscapes.
Researchers applied a new integrated model linking surface water to groundwater to estimate water resources at high spatial resolution. The study found that irrigation increases atmospheric water loss but reduces groundwater support, especially during dry seasons.
A study by Duke University researchers found that rooftop solar cells can save a significant amount of water, with households saving an average of 16,200 gallons per year. Converting to solar in homes reduces the use of grid electricity and therefore also the volume of water used.
A study by Helmholtz Centre for Environmental Research - UFZ found that climate-induced deforestation can lead to a significant increase in dissolved phosphorus concentration and nitrogen levels in reservoirs. This can result in an overgrowth of diatoms and green algae, compromising water quality.
A comprehensive review of water quality trading programs worldwide reveals that agricultural production remains largely unregulated, hindering their effectiveness. The authors suggest that nudging political will and creating regulatory drivers can help evolve water quality trading into a cost-effective pollution control instrument.
A new study from Penn State and Northwestern University finds that avoiding tap water is associated with a 20-30% increase in food insecurity among Americans. Tap water avoidance can divert funds meant for nutritious food, leading to higher reliance on prepackaged and restaurant food.
A study by Australian National University found that at least 25,245 people in remote communities had access to non-compliant drinking water services. The researchers also identified 408 locations with poor water quality, including 40% of Indigenous communities. A national drinking water database is urgently needed to address these gaps.
A new framework developed by researchers at Wayne State University aims to help state and local water authorities prioritize funding for infrastructure improvements on drinking water lead service line replacement programs. The study incorporates drinking water quality characteristics with community and environmental quality attributes,...
Researchers have successfully mapped the potential energy surfaces of individual water molecules in liquid water at room temperature and normal pressure. This breakthrough uses X-ray analysis and statistical modeling to reveal the complex behavior of water molecules, shedding light on their role as a solvent.
A new open-path mid-infrared spectrometer can precisely measure isotopologue ratios in atmospheric water vapor in under 15 minutes, offering improved accuracy for climate change modeling and air quality monitoring. The instrument's dual-comb technique enables spatially resolved studies of water vapor transport over natural ecosystems.
A new study reveals that the Asian Water Tower's frozen assets are melting away, with more liquid water in northern endorheic basins and less in southern exorheic basins. This imbalance is expected to pose a challenge to water supply-demand balancing in downstream regions.
A team of Australian scientists has analyzed rare earth elements in drilled reef cores to unveil a deep history of wild weather on the Great Barrier Reef. The study reveals that extreme runoff from intense monsoons affected water quality over 8,000 years ago, leading to reduced coral growth and reef decline.
Scientists at the University of Texas at Austin have developed a low-cost gel film that can pull water from the air in dry climates, producing up to 6 liters of water per day. The film uses renewable cellulose and konjac gum, making it an affordable solution for communities struggling with water shortages.
A new study predicts that agricultural water scarcity will worsen in up to 84% of croplands globally by 2050, with green water availability changing under climate change. Effective solutions include conserving agricultural water through mulching, no-till farming, and improving irrigation infrastructure.
Researchers propose a dual water and energy storage scheme to resolve the temporal mismatch between resources, reducing CO2 emissions while guaranteeing water supply. The scheme utilizes seasonal pumped hydroelectric systems to store water for irrigation during summer and hydropower generation in winter.
Researchers found that global warming is accelerating the water cycle, leading to increased storm intensity and ice melting at the poles. Satellite data revealed a significant increase in surface salinity, indicating a stronger interaction between the atmosphere and ocean.
The University of Alabama has been awarded $360 million to lead a national water effort, transforming its research into operations that improve the nation's ability to predict water-related hazards. The award will be administered by the Alabama Water Institute and establishes the Cooperative Institute for Research to Operations in Hydr...
Researchers have successfully observed reversible transitions between two liquid states of water at low temperatures and high pressures, revealing the existence of two liquid waters. This finding explains anomalous behavior in low-temperature liquid water and has implications for aqueous solutions and biomolecules.
Researchers at Oak Ridge National Laboratory have developed AquaBOT to measure water quality in mid-sized streams with precision and speed. The lab has also created a safe and effective antiviral coating for N95 masks, allowing for reuse of masks made from various fabrics. Furthermore, the lab has designed a cooking appliance that uses...
The study analyzes global land-water-gas carbon transport and budget changes, focusing on inland water carbon budget and cycle in land-sea-gas budget. Climate change drives riverine-based carbon transport processes, while anthropogenic activities affect carbon sources, cycling, and budgets.
A team of high school students, led by science teacher Rebecca Bushway, designed an inexpensive filter attachment that removes lead from tap water. The filter uses a biodegradable plastic cartridge with a built-in indicator that turns the water yellow when lead is present.
This study analyzes the long-term trend of summer water vapor and its mechanism over the Tibetan Plateau, finding notable increasing trends in water vapor content and net water vapor budget. The results project significant future changes in water vapor and precipitation over the plateau under global warming.
A study published in PLOS Water found that office buildings with low-consumption plumbing may experience chemical and microbiological safety issues due to weekend stagnation. The research highlights the need for regular water testing in commercial buildings, even those designed as 'green' to reduce water consumption.
A study from the University of California, Davis, found that reducing leaks in urban water systems can be a highly effective and cost-competitive method for saving water. The research suggests that leak reduction is the most cost-effective tool in an urban water manager's toolkit, with estimated savings of $277 per acre-foot.
Higher elevation mountain forests are using more water on average during droughts, reducing water availability downstream for cities and wildlife. Researchers found that these forests tend to be located above 3,280 feet and have increased water use due to rising temperatures and changes in tree species composition.