A recent study has identified a previously unknown cell type in the urethra of mice, which expresses cholinergic receptors and may serve as sentinels to detect hazardous substances. This finding could provide insight into cellular interaction and defensive measures against pathogens, potentially preventing urinary tract infections.
The recycling of discarded consumer goods can make a big contribution to efficient management of non-renewable raw materials. A new international process is being launched to develop quality and sustainability standards for secondary raw materials, focusing on three main areas: improving basic data and support for pilot projects.
A new study published in the Journal of Hunger & Environmental Nutrition found that removing trays from university dining halls reduces food waste and dish use. The study, conducted at American University, shows a 32% reduction in food waste and a 27% reduction in dish use.
A new study reveals that human activities in cities alter atmospheric circulation patterns, leading to significant warming in northern Asia and North America. The study found that the 'waste heat' generated by urban areas can widen the jet stream and increase temperatures across large distances.
A recent study found that residents in a rural Chinese village near an e-waste recycling site are 1.6 times more likely to develop lung cancer than their peers in a heavily polluted city. The study, conducted by Oregon State University researchers, highlights the risks of toxic air pollution from e-waste incineration.
The project aims to convert lignin into lipid, a substance usable for biodiesel production, and reduce hazardous waste. The researchers expect to result in a way to convert at least 40% of processed lignin, mitigating over 20 million tons of carbon dioxide.
The use of paper industry waste to create bricks has been shown to have low thermal conductivity, making them effective insulators. Additionally, the bricks can provide energy due to their organic material content, which could help reduce fuel consumption and kiln time required for brick production.
Researchers at Columbia University have launched a pilot facility in Ghana to convert fecal sludge into biodiesel fuel, producing renewable, cost-effective sustainable energy. The project aims to create an economically sustainable approach to waste management, eliminating the sanitation crisis in developing cities.
Researchers have discovered that mine waste rock has significant CO2 sequestration potential, which could be economically valued and used to offset emissions. The technology has the potential to capture five to ten times more CO2 than total greenhouse gas production from some mine operations.
Researchers have developed a new method to create carbon nanotube sensors using mechanical pencils, overcoming the need for hazardous solvents. The sensors detect minute amounts of gas by altering electrical current flow through the nanotubes.
Northwestern University scientists have developed a thermoelectric material that can convert 15-20% of waste heat to useful electricity. The material exhibits a ZT of 2.2, the highest reported to date, and has the potential to recover high-temperature waste heat and turn it into usable energy.
A by-product of biofuel manufacture can power microbial fuel cells to generate electricity cheaply and efficiently. Researchers have successfully used Distillers Dried Grain with Solubles (DDGS) as a feedstock for the bacteria, producing a reliable source of renewable energy.
A study reveals that most electronic waste in Spain is uncontrolled, with only 2.55 kg out of 13.86 kg collected and processed correctly under the Integrated Waste Management System (SIG). The majority of manufacturers are not registered in the system, leading to significant payment evasion.
Scientists have found that using waste cooking oil as a starting material can produce high-quality bioplastics, including Polyhydroxyalkanoate (PHA), three times more efficiently than glucose. This reduces production costs and enables the use of PHA in medical implants and drug delivery.
Researchers at the University of Sheffield have developed a new method for storing UK's nuclear waste using glass technology. The process, called vitrification, has been shown to produce glass that is resistant to damage from energetic gamma rays.
A new food biorefinery converts bakery waste and coffee grounds into succinic acid, a key ingredient for making plastics and detergents. The process reduces environmental impact and produces a sustainable alternative to fossil fuels.
A Spanish researcher proposes using urine as a CO2 absorbent, producing ammonium bicarbonate and calcium carbonate when combined with olive waste water. The mixture can absorb various grams of CO2 per liter and reduce emissions by 1% in a stable manner.
Researchers found that three earthworm species can remove up to 75% of heavy metals from waste, producing rich compost without accumulating toxins in crops. The worms' digestive system facilitates the separation of metal ions, allowing for safe disposal of organic waste.
Researchers at the University of Rochester Medical Center have discovered a new brain cleaning system called the glymphatic system, which acts like a shadow plumbing system to drain away waste products from the brain. The system is highly organized and operates on a much larger scale than previously thought.
The University of Toronto team has developed a novel, waterless toilet design that uses a sand filter and UV-ray disinfecting chamber to process liquid waste and incinerate solid waste. The design is sustainable, easy to use, and can be repaired by people with limited resources and training.
Engineers at the University of Missouri-Columbia have developed a clog-free ink jet printer inspired by the human eye. The invention uses a droplet of silicone oil to cover the nozzle opening when not in use, eliminating the need for costly replacements and reducing waste.
Researchers at Arizona State University improved microbial fuel cell efficiency by modifying cathode materials and adjusting pH levels. By enhancing hydroxide ion transport, they increased power densities and reduced losses in MFC performance.
The No-Mix Vacuum Toilet system uses vacuum suction technology to separate liquid and solid wastes, reducing flushing water needs by up to 90%. The system can also produce bio-gas for energy generation and fertilizers for agricultural use.
Researchers found affluent men more likely to accept nuclear waste storage sites than women or economically disadvantaged individuals. The team analyzed local opinions on a Finnish nuclear waste repository and identified a 'white male effect,' highlighting the need for a more holistic approach to community involvement.
Research from the University of Exeter suggests that adopting a diet with lower meat consumption could significantly reduce atmospheric carbon dioxide levels. The study found that increasing agricultural efficiency, especially in livestock production, could help achieve this goal by making better use of resources and reducing waste.
A recent study found that a high proportion of smokers calling quitlines also drank at hazardous levels, making it difficult for them to quit. Quitlines can be a valuable resource in reaching these individuals and providing brief alcohol interventions.
A modern recurrence of a 'flood lava' eruption in Iceland could inject large quantities of hazardous gases into North Atlantic and European flight corridors. The emissions could exceed WHO chronic exposure guidelines and pose significant health risks to air travelers, particularly if the event were to occur during late spring or summer.
Efforts to green operating rooms can result in significant cost savings for hospitals while reducing their environmental impact. Implementing greening initiatives such as separating waste streams, using closed collection systems and reprocessing single-use devices can generate substantial cost savings.
Many pharmaceutical companies are making progress in embracing green chemistry principles, reducing waste generation and operating more environmentally friendly ways. The American Chemical Society's Green Chemistry Institute is helping its members share best practices and compare progress.
A new paper by University of Notre Dame researchers describes a method for safely absorbing radioactive ions from nuclear waste streams using the NDTB-1 compound. The team has successfully removed approximately 96% of technetium (99Tc) from nuclear waste in laboratory studies.
Researchers find high concentrations of heavy metals and restricted brominated flame retardants in mixed plastics from disassembled electrical and electronic equipment. The study emphasizes the importance of implementing strict quality management to prevent substance release into the environment or new products.
Researchers at the University of Edinburgh produced a previously unseen uranium molecule, which could help improve nuclear waste clean-up processes. The butterfly-shaped compound is robust and may play a role in forming clusters of radioactive material in waste.
A recent study published in Preventive Medicine found that individuals exposed to the 9/11 disaster are at risk of developing heart disease, respiratory illness, and post-traumatic stress disorder. Volunteers who were not affiliated with organizations were more highly exposed to hazardous chemicals and had poorer health outcomes.
Researchers at the University of Michigan are developing insect 'cyborgs' that can power sensors and communications equipment, allowing them to monitor hazardous situations before human intervention. The devices harness kinetic energy from wing movements, enabling the insects to gather vital information in confined environments.
A novel sewage digestion system designed by Duke University's Marc Deshusses has the potential to revolutionize sanitation in developing countries. The system captures methane gas produced during waste breakdown, using it to kill pathogens and destroy harmful bacteria.
A team of scientists found that plutonium clusters adhere more strongly to mineral surfaces than individual ions, which could help contain its spread into the environment. This strong adherence could minimize the leakage of nuclear waste from steel barrels.
Researchers at Rensselaer Polytechnic Institute have developed a new way to decrease zinc oxide's thermal conductivity without reducing its electrical conductivity by adding aluminum. This innovation could lead to new technologies for harvesting waste heat and creating energy-efficient systems, such as cars, aircraft, and power plants.
Researchers at the University of Alberta have discovered a new catalyst that transforms amides into desired chemical products efficiently and safely, producing no by-products or hazardous waste. This breakthrough has the potential to revolutionize the chemical industry from an economic and green perspective.
The researchers have received two grants to further develop the steam hydrogasification process that turns waste from food, yards, and other sources into transportation fuels or natural gas. The process has been found to be 12% more efficient and 18% less expensive than other mainstream gasification technologies.
The system produces enough electricity to power 35 homes for a year and prevents the release of greenhouse gases equivalent to nearly 5,000 metric tons of CO2 per year. The pilot project demonstrates how hog farms can manage waste, reduce emissions, and generate on-farm renewable power.
A recent study by Dr. Andrea Ballabio and colleagues discovered a key role for transcription factor EB (TFEB) in regulating lysosomal exocytosis, which can rescue cells from toxic waste buildup. The findings suggest an innovative approach to treating metabolic disorders associated with lysosomal storage diseases.
Digital waste in computers can deplete storage space and slow down systems. Researchers suggest a five-tier pyramid of options to curb the clutter: reduce, reuse, recycle, recover, and dispose. By applying real-world trash management tactics, computers can be cleansed of unnecessary data.
Scientists at Delft University of Technology are developing a new toilet facility that uses microwave technology to transform human waste into electricity. The process involves drying, gasifying, and generating syngas, which is then fed to a fuel cell stack for electricity production.
The brown skin and external layers of onions are rich in fibre and flavonoids, while the discarded bulbs contain sulphurous compounds and fructans, which have beneficial health effects.
The EUREKA project BIO-EXPERTISE has developed a methodological guide to biomethanisation, allowing for more efficient waste treatment in Spain. The research improved the treatment of urban waste, increasing biogas production and electricity generation.
Researchers at Oregon State University have successfully created CIGS solar devices using inkjet printing, reducing raw material waste by 90% and potentially lowering production costs. The new technology has the potential to produce high-performing, rapidly produced, and ultra-low-cost thin film solar electronics.
Groundwater pollution is a significant issue worldwide due to increasing water consumption and waste disposal. Computer algorithms can help identify pollution sources by processing available data, such as pollutant concentrations and monitoring data.
Researchers at Oregon State University have successfully prototyped a new energy technology that captures and uses low-to-medium grade waste heat from various sources. The system achieved an impressive 80% conversion efficiency in turning wasted heat into cooling capability, outperforming current approaches.
E-waste has been linked to adverse effects on human health, including inflammation and oxidative stress, which can lead to cardiovascular disease and cancer. Researchers found significant increases in inflammatory response and oxidative stress markers in lung epithelial cells exposed to e-waste air samples.
Researchers urge the EPA to partner with academic institutions to test and evaluate the risks of high-priority chemicals, prioritizing those that pose a risk to children's health. The authors also propose reforms to the Toxic Substances Control Act to improve chemical policy and reduce exposure to hazardous chemicals.
The US EPA is collaborating with the United Nations University to develop strategies for managing electronic waste (e-waste) in Africa and Asia. The five-year agreement will support research, tracking, data collection, analysis, and information sharing to improve e-waste refurbishment and disposal.
Researchers identified nine environmental E. coli strains indistinguishable from typical E. coli but potentially not representative of true environmental hazards. The findings suggest the need for a new culture-independent, genome-based coliform test to accurately detect non-hazardous environmental types of E. coli.
A new study reveals that concentrated fish farm waste plumes do not consistently dilute immediately in open water. The research found that tides, currents, and the earth's rotation can dramatically affect how far waste plumes travel from their source.
Researchers use Closterium moniliferum algae to remove strontium, a major component of nuclear waste, by sequestering it in solid crystals. The algae's ability to differentiate between strontium and calcium can help isolate highly radioactive 'high-level' waste from 'low-level' waste.
Scientists have developed a new process that converts used motor oil into gasoline-like fuel using microwaves, offering an efficient and environmentally friendly alternative to traditional methods. The new method has excellent potential for commercial use and could help solve the problem of improper disposal of waste motor oil.
Green rust, a type of clay, has been found to effectively capture and contain neptunium, a radioactive waste product that poses a serious health risk. The discovery offers new insights into the disposal of radioactive waste and could lead to safer storage solutions.
A new device called the in situ sampler (IS2) is being used to monitor waste in groundwater without generating significant amounts of hazardous waste. The IS2 boasts extremely low detection limits and produces no wastewater, making it a more cost-effective and environmentally friendly alternative to traditional methods.
A study found that older adults with the APOE ε4 allele who reside in psychosocially hazardous neighborhoods exhibit poorer cognitive performance in various domains, including processing speed and executive function. The presence of APOE ε4 alleles in African American populations also showed a significant impact on cognitive function.
The US lags behind other countries in nuclear fuel recycling due to unfounded concerns and myths. Reprocessing spent fuel can recover significant energy value and reduce high-level nuclear waste volume.
Despite minimum recycling targets, Spanish cities struggle with paper and container waste separation. Only glass meets the 60% requirement, while plastic and metal waste are far below target. The study highlights the need for more efficient collection systems to increase recycling rates.