A new Pacific Institute report identifies key actions for California to conserve a million acre-feet of water through improved efficiency in the urban and agricultural sectors. The analysis finds that upfront investments of less than $1.9 billion can yield significant savings, while also conserving energy and reducing costs.
Scientists have discovered a substance called 'dry water' that can absorb and store carbon dioxide, methane, and other gases. This powder has the potential to reduce global warming by providing an alternative storage material for these gases.
A new clinical trial confirms that drinking two 8-ounce glasses of water before meals helps people shed more pounds than those who do not drink water. The study found that water drinkers lost about 15.5 pounds over 12 weeks, while non-water drinkers lost about 11 pounds.
Researchers used satellite data to calculate the amount of water in the Amazon River floodplain, finding an average of 285 cubic kilometers per year. This discovery highlights the complexity of measuring water volumes in remote regions and underscores the need for further research on global water supplies.
A simple and inexpensive demonstration of soil water retention and field capacity helps students visualize and understand these concepts. The demonstration uses PVC rings, a trashcan, and a scale, illustrating the influence of soil texture, structure, and depth to the water table on soil water content.
The study reveals that incorporating NASA products into the BASINS model significantly improves water quality model performance. By capturing the effects of water flow during storm periods, the NASA data systems provide a more accurate representation of non-point pollution and improve estimates of water quality.
Researchers at the University of Adelaide are exploring ultrasound to combat blue-green algae blooms in water supplies, a significant global problem. They aim to develop an environmentally friendly and cost-effective method using low-amplitude ultrasound to immobilize the algae without releasing toxins.
A new study finds that hand washing can significantly reduce fecal bacteria contamination in stored drinking water, which is crucial for households with limited access to municipal water supply systems. The research discovered nearly 100 times more fecal bacteria in stored water compared to its source in Dar es Salaam, Tanzania.
A Montreal study reveals that more than 70 percent of bottled water samples contain heterotrophic bacteria counts above the recommended limits set by the United States Pharmacopeia. High microbial counts were found in several famous brands, with some exceeding 100 times the permitted limit.
A University of Tennessee study found high-risk water sources in East Tennessee contain fecal contamination, including E.coli, coliforms, Bacteroides, and infectious viruses. This highlights a potential health hazard for rural residents who drink untreated groundwater.
Researchers at OU WaTER Center address global water dilemmas with focus on climate change, treatment and cleanup methods. The Center's work has impact in four areas: teaching, research, service, and international leadership.
The world's waters are facing increasing pressure due to population growth, urbanization, and pollution, threatening food production and water resources. The Mekong River Basin is a prime example of water-related conflicts escalating over access to hydropower production and its impact on local livelihoods.
Researchers at Tel Aviv University have developed an optimal UV wavelength to keep water clean of microorganisms, preventing health threats and reducing bio-fouling. This approach could be used in water treatment plants and desalination facilities to make them more efficient and reduce costs.
A new study finds that trinexapac-ethyl reduces water depletion, evapotranspiration rates, and improves turf quality in creeping bentgrass during drought stress. The treatment maintains higher leaf relative water content and osmotic adjustment under drought conditions.
A comprehensive study documents American industry's water usage, revealing that most water is used indirectly in processing such as packaging and shipping food crops. The study estimates water use among over 400 industry sectors, with surprising amounts required for common products like sugar, dog and cat food, and milk.
Dr. David Molden, winner of the CGIAR award for Outstanding Scientist of the Year, states that agriculture is both the cause and solution to many world water problems. The Comprehensive Assessment of Water Management in Agriculture highlights the potential to grow more food with limited water, particularly in areas of high poverty.
A Canadian Medical Association Journal study reveals that private drinking water supplies are often contaminated, with outbreaks occurring at a rate 35 times higher than in public systems. The government must provide better resources and education to ensure safe drinking water for Canadians.
A low-cost water purification technique using Moringa oleifera seeds can reduce bacterial contamination by 90-99.99% in untreated water. This technique has the potential to improve access to clean drinking water for millions of people in developing countries.
Researchers found that a mix of purchasing options can significantly lower costs and increase available water, while avoiding supply failures during droughts. This hybrid approach combines the benefits of buying diverse stocks with water risk management.
Recent advances in Earth observation satellite technologies enable monitoring of the global water cycle. The European Space Agency's EO for Water Cycle Science Conference assessed current research capabilities and identified key gaps. Novel missions, precipitation, and soil moisture will improve our understanding of the water cycle.
A new water management framework developed by NC State University researchers can help plan for droughts or excess rain, making efficient use of water resources. By using climate forecasts, water managers can reduce vulnerability to drought and increase benefits for poor farming communities.
The world will need a 'Blue Revolution' to address the massive pressure on its water resources due to population growth, changing diets, and climate change. Investments in water can reduce poverty and improve agricultural productivity by refurbishing irrigation systems and promoting rainfed agriculture.
Researchers found that scheduling irrigation according to daily water use (DWU) substantially reduced irrigation application compared to control methods, while maintaining or improving plant growth. The study categorized woody ornamental plants into low, moderate, and high water users, allowing for more efficient watering strategies.
Research finds that pathogenic E. coli are common in Michigan and Indiana streams, even with low fecal indicator bacteria concentrations. The study suggests that current methods for determining water quality may not accurately predict the presence of harmful pathogens.
Researchers found that exotic eucalyptus and tropical ash plantations used significantly more water than native ohia trees, with rates of up to 2.5 times higher. The study emphasizes the need for land management plans to consider the water use of different ecosystems.
The University of Utah has developed a two-minute water quality monitoring method that uses a handheld color sensor to detect iodine or silver levels in drinking water. The system is designed to be simple, low-cost and safe for use on the International Space Station.
Scientists use a unique instrument to probe the dynamics of ions in water, revealing that water zips around ions more than expected. The findings improve understanding of chemical interactions important in environmental and atmospheric sciences.
A new analysis of 30 years of on-ground and satellite observations reveals the onset of water scarcity in southeast Australia around 1993-1996. This finding underscores the importance of good water information for water resource planning and highlights the impact of climate change on the country's current water resources.
Recent work at SLAC National Accelerator Laboratory reveals two distinct structures in liquid water: tetrahedral and disordered regions. The researchers discovered that these structures exist in 'clumps' made up to 100 molecules, with the temperature affecting their distribution and density.
Researchers have developed a process that cleans wastewater and generates electricity, also removing 90% of salt from brackish water or seawater. The system uses microbial desalination cells to convert wastewater into clean water producing electricity.
Carnegie Mellon researchers, led by Jean VanBriesen, will study water quality in the Monongahela River using a $100,000 grant. The team will collect data on bromide and sulfate levels associated with Marcellus Shale gas production and acid mine drainage.
A research project aims to produce a computer model for water managers to reduce energy consumption while meeting increased demand for water. The project, funded by the National Science Foundation, will help address water scarcity issues in regions like Arizona, where population growth and drought are exacerbating the problem.
A study found that worsening sleep quality over five years was associated with poorer mental quality of life, while increasing daytime sleepiness symptoms affected both physical and mental quality of life. Objective measures of sleep did not show a significant association with quality of life.
A $226,890 grant will fund a study on the effects of eastern redcedar encroachment on Oklahoma's tallgrass prairie ecosystem, which can alter precipitation and water loss patterns. The research aims to provide insights for land managers to better understand the impact of woody plant proliferation on water availability.
A new Army study has improved the ability to predict drinking water needs for troops, potentially cutting costs of operations and improving civilian water planning. The study produced formulations that are 58-65% more accurate than the existing Shapiro equation in laboratory settings.
The World Health Organization estimates that 2.8 billion people will face water stress or scarcity by 2025. Access to clean water can reduce global disease burden and is essential for health.
A small study found that people believe bottled water has health benefits, but are unsure of the extent. Convenience and taste were more influential factors for participants when choosing bottled water.
A report by Rice University scientists warns that growing biofuels could harm the nation's water resources, degrading quality and affecting availability. The researchers suggest choosing drought-tolerant crops grown on minimal irrigation to balance energy needs with water conservation.
A new system developed by Prof. Abraham Katzir can detect contaminants in water supply in real time, providing early warning to authorities. The system uses special fibers that can distinguish between pure and contaminated water using the invisible infrared spectrum.
Researchers from Swedish and German scientists found that better water management can significantly reduce future food crises by leveraging both green and blue water. This approach can lift billions out of water poverty and provide a new green revolution in poor countries, even if they face blue water scarcity.
A new University of Minnesota study reveals that ethanol production in the Midwest uses far less water than similar processes in drier states like California and South Dakota. Iowa's 6 gallons of water per gallon of ethanol is significantly lower than California's 2,100 gallons.
A recent study reveals that disinfection by-products (DBPs) in water are toxic and genotoxic, causing DNA damage. DBPs from iodine-containing compounds and nitrogen-containing compounds are more toxic than regulated ones.
UIC researchers are conducting a study to determine the health effects associated with recreational activities on Chicago's waterways. The CHEERS study will establish water quality standards for people who enjoy activities on the waterway and measure actual pathogens in the water that cause disease.
Researchers found that proper irrigation management with reuse water can maintain favorable salt balances and plant response. The study's results suggest embracing reuse water as a viable alternative for golf course irrigation.
Research by Lawrence Livermore National Laboratory scientists discovered water acts as a catalyst in complex explosive reactions at high temperatures and pressures. Water transports oxygen between reaction centers, challenging the current view that it's just a stable detonation product.
Chemists have visualized a chemical reaction that splits water into oxygen and hydrogen, improving our understanding of processes like hydrogen production and pollution cleanup. The discovery reveals that water can act as a catalyst, enabling the movement of adatoms on a metal oxide slab.
The Dead Sea's water levels are decreasing at an accelerated rate, primarily caused by increased human water consumption from the Jordan and Yarmouk Rivers. The study suggests that desalination of seawater or construction of new channels could help slow down the receding water levels.
The National Science Foundation has awarded a five-year, $1.24 million grant to the University of Arizona to fund a research center investigating new clean-water technologies. The Water and Environmental Technology Center will develop 'smart' water technologies, including sensors at individual households capable of detecting contaminants.
Researchers used NASA satellite data to estimate the heat-trapping effect of water vapor, validating its critical component role in climate change. The study found that increasing water vapor leads to a spiraling cycle of warming and increased absorption, amplifying the warming effect of other greenhouse gases.
The study found that magnetized water exhibits magnetism, a saturation effect, and memory properties. New phenomena, such as irreversible infrared absorption and exponential UV absorption, were also discovered. These findings support the theory of magnetization of water proposed by Professor Pang Xiao-Feng.
A nationwide study found statistically significant increases in nitrate concentrations in 7 of 24 well networks, with median concentrations exceeding the USEPA maximum contaminant level. The study highlights the importance of long-term monitoring programs to protect ground water quality.
Researchers at the University of Illinois have discovered the physical mechanism behind rapid water transport in carbon nanotubes. By orienting water molecules, the researchers found that a coupling between rotational and translational motions occurs, resulting in a helical motion through the nanotube.
Researchers propose using carbon nanotubes to replace conventional materials in water-purification systems due to their unique chemical properties. The technology could efficiently remove arsenic, fluoride, heavy metals and toxic organic chemicals from contaminated water.
Researchers have developed a manganese-containing complex that effectively catalyzes the photooxidation of water, a crucial half reaction in the photocatalytic splitting of water. This breakthrough could lead to the creation of a photoelectrochemical cell that produces pure hydrogen and oxygen from water and sunlight.
Researchers discovered that the Douglas-fir tree's wood structure prevents water from being pulled any higher than 350 feet due to air bubble formation. At this height, trees experience drought-like conditions and struggle to transport water, limiting their growth.
Researchers used terahertz absorption spectroscopy to study the motion of water molecules during protein folding. Water molecules change to a native-type arrangement much faster than the protein, helping establish its correct configuration. This 'designer fluid' plays a crucial role in life.
A team of researchers has developed a chlorine-tolerant membrane that simplifies the water desalination process, increasing access to fresh water. The new membrane reduces the need for de-chlorination steps, leading to cost savings and potentially lowering carbon-dioxide emissions.
Forests provide natural filtration and storage systems that process nearly two-thirds of the U.S. water supply. Preserving and managing forests may help sustain water supplies, but forest management is unlikely to increase water yields.
A Brown University-led research team has found evidence of water trapped in lunar volcanic glasses, suggesting it was present since the Moon's formation around 4.5 billion years ago. The discovery may shed light on the origin of water on Earth and its presence in the Moon's interior.
A study investigates the potential of a Simple Inverse Yield Model (SIYM) for estimating plant-available water capacity in fields. The results show that measured plant-available water capacity correlates with corn yield better in dry years, but SIYM estimates are weaker in claypan soils.