Researchers at the University of Tennessee Institute of Agriculture are investigating consumer and retailer attitudes toward food loss and waste reduction programs. The study aims to provide recommendations for future voluntary food loss and waste reduction programs, which could help reduce US food waste by 50% by 2030.
A new study finds that the decline of US landfills and state bans on organic waste disposal have created a need for alternative pathways for food waste. Researchers evaluated five options, including anaerobic digestion, composting, incineration, and hydrothermal liquefaction.
A Japanese research team has developed a technique to extract cellulose nanofibers from hop stems, reducing agricultural waste in the beer industry. The researchers used a simplified process that eliminates lignin and hemicellulose removal, yielding CNFs with a median width of about 2 nanometers.
A study by Research Institute for Sustainability reveals that barriers to reducing plastic packaging consumption include habits, lack of knowledge, hygiene concerns, and economic factors. To achieve zero-waste shopping, cultural and infrastructural changes are necessary, including making alternative options more affordable and convenient.
A new recycling robot will use AI and computer vision to sort recyclable waste, separating soft plastics from other materials. The system aims to drastically increase soft plastic recycling in Australia, diverting millions of tonnes of waste from landfills.
A new framework analyzes dishonest end-of-life electronics management and finds that making recycling more profitable is key to preventing fraudulent practices. The researchers suggest targeted subsidies, higher penalties, and blockchain-based supervision as potential solutions.
Researchers develop a novel aquaponics treatment system inspired by sewage plants that breaks down fish sludge and turns nutrients from fish waste into an effective fertilizer for plants. The system successfully delivers nutrients to plants in the form of a liquid fertilizer, improving plant growth and reducing waste.
Researchers synthesized vanadates and vanadites of rare-earth metals to treat polyolephin plastic waste. The process increases gas liberation and changes end product composition, producing light olefins and syngas. This technology may lead to the development of new polymer waste treatment methods.
A new study using a computational model found that cutting food waste would provide enough protein and energy to feed the growing population but fall short in terms of micronutrients like calcium, iron, and vitamin E. Researchers emphasize the need for attention to essential vitamins and minerals to address global nutritional needs.
Researchers at the University of Bern found that most plastic waste does not end up in open ocean, but instead remains near coastlines or on beaches. The study suggests that regions with large sources of plastic waste, such as Southeast Asia and the Mediterranean, are disproportionately affected.
The researchers developed a biomaterial made from discarded bullfrog skin and fish scales that acts as a scaffold for bone-forming cells to multiply, leading to the formation of new bone. The biomaterial has shown low risk of triggering an inflammatory response and could be used to assist with bone growth around surgical implants.
Dr Martin White's research proposes a two-phase expansion system that can generate up to 28% more power than conventional single-phase systems. The study aims to enhance the performance of Organic Rankine Cycle (ORC) systems for waste heat recovery, reducing environmental footprint in industries such as iron and steel, food, and drink.
A £2.3million study is investigating the impact of chemical pollutants from UK coastal landfill waste on seabirds' health, reproduction and survival. The researchers will focus on European shags in the Firth of Forth, comparing their health and survival rates with birds that spend more time in the area.
Researchers at ETH Zurich calculate that waste incineration plants in Europe have a significant potential for negative emissions through bioenergy with carbon capture and storage (BECCS). If fully exploited, BECCS could reduce European CO2 emissions by 200 million tonnes per year.
Research from Lancaster University Management School found that potentially polluting firms choose locations based on local income demographics, leading to higher toxic releases in poorer areas. Firms reduce pollutant releases and increase waste management spending in higher-income areas.
A new contaminant prioritization tool could increase the effectiveness of environmental approaches to landfill clean-up by matching tree species with specific contaminants. The tool allows site managers to prioritize the most hazardous contaminants or customize it to address local concerns.
University of Delaware researchers report a breakthrough process that can convert hard-to-recycle plastics into usable molecules. The hydrocracking process requires less energy than other technologies and can treat various plastics, even when mixed together.
A study examining nuclear waste reporting in Finland's Helsingin Sanomat and France's Le Monde found distinct cultural, political, and media traditions influencing their approaches. Helsingin Sanomat tends to reproduce government framings, while Le Monde prioritizes independent criticism.
Researchers suggest reducing food waste in various settings, including schools, homes, and restaurants, while promoting healthy nutrition. Strategies include implementing behavioral cues, reusing leftovers, and developing cooking education curricula for low-income households.
A nationwide review of hazardous waste sites found that living near a Superfund site could decrease life expectancy by over two months. Those with lower incomes and sociodemographic disadvantage face the greatest risk, with decreases in life expectancy ranging from seven to 15 months.
Researchers at UBC Okanagan have developed guidelines to use wood-based pulp mill fly ash as an economically sustainable low-carbon binder for road construction. The use of untreated PFA reduces energy consumption and produces low-carbon emissions, making it a safe raw material for environmental applications.
Researchers develop efficient method to extract protein from brewer's spent grain, producing up to 83% of original protein content. The process also yields a fiber-rich product suitable for conversion into fuels.
Researchers found that students who were satisfied with their meals wasted less food. Diners who visited the dining commons frequently and were familiar with the menu options also tended to waste less food. The study's results suggest that posting signs encouraging healthier choices could help reduce food waste.
Researchers at Rice University have developed a process to convert waste rubber tires into graphene, which can strengthen concrete and reduce carbon emissions. The new material has shown significant gains in compressive strength when blended with Portland cement.
A recent study by researchers at the University of Johannesburg shows how AI can forecast municipal solid waste in a large African city. By using machine learning algorithms and combining data from various sources, including census data and landfill site records, the team was able to predict the city's waste management needs until 2050...
Biologists Auke-Florian Hiemstra and Liselotte Rambonnet found reports of various animals becoming entangled in corona waste, including foxes, birds, hedgehogs, seagulls, crabs, and bats. The diversity of affected species is considerable, with vertebrates and invertebrates on land, in freshwater, and seawater also impacted.
Researchers at Ames Laboratory have developed a new method to break down polystyrene waste in a single step, at room temperature, and without harmful solvents. The process involves ball-milling, which generates free radicals that enable the extraction of monomeric styrene from the oligomeric radical-bearing species formed.
A study on rehabilitating an old mine waste rock pile found that a new technique can successfully restore vegetation and reduce toxicity risks. The technique involves classifying and managing excavation waste based on its geochemical properties to prevent acid drainage and contamination.
Researchers at Oak Ridge National Laboratory have successfully extracted the rare and valuable isotope promethium-147 from plutonium waste. This process not only reduces disposal costs but also provides a new source of the isotope, which has applications in nuclear batteries, medical imaging, and space exploration.
Scientists at UCL and George Mason University have located the source of potentially hazardous solar particles for the first time, finding they originate from plasma confined close to the top of the Sun's chromosphere. This discovery aims to improve forecasts of solar storms and reduce risks to satellites and electronic infrastructure.
A University of Illinois study found that shifting from round to oval plates with smaller surface areas can significantly reduce food waste in dining halls. The researchers observed significant reductions in food selection, consumption, and waste when diners used the oval plates, resulting in nearly 20 grams less food waste per plate.
A shift in beverage sales towards medium-sized plastic bottles could reduce PET waste by 1% each year, resulting in a potential reduction of 9,052 tonnes. Medium-sized bottles with capacities above 2,265 milliliters deliver the highest volume of beverage for the lowest packaging weight.
A global study estimates that nature processes over 2 million cubic meters of human waste annually, equivalent to 41.7 million tons, in 48 cities containing about 82 million people. This natural process contributes significantly to sanitation services, worth approximately $4.4 billion per year.
Exposure to chemicals has contributed to over 1.3 million premature deaths worldwide. A global intergovernmental science-policy body is proposed to tackle this issue by conducting scientific assessments and identifying policy-relevant research needs.
A team of researchers at Arizona State University has discovered a way to extract useful products from microbial growth in soil, shedding light on poorly understood processes. The study promises to help minimize environmental waste while producing biochemicals and biofuels.
Researchers are studying ways to reduce waste in the seafood industry by using market incentives, with a focus on Mexico's SmartFish program. The study found that while the model improved sustainability, it also introduced new points of waste, including plastic packaging.
Scientists have developed a new generation of thermomagnetic generators that can convert waste heat into electrical power at small temperature differences. The devices, based on Heusler alloy films, increased electrical power per footprint by a factor of 3.4 and reached a maximum power of 50 microwatts per square centimeter.
Researchers at the University of California - Riverside discovered fermented food waste can boost beneficial bacteria in plants, increasing crop growth and resistance to pathogens. The treatment reduces carbon emissions from farming and has potential for sustainable agriculture practices.
A new research project at Aarhus University aims to create novel, biodegradable materials for sustainable electronics. The project, led by Assistant Professor Shweta Agarwala, uses materials science and printed electronics to develop materials that can replace traditional silicon-based components.
Researchers have developed a new method for recycling plastic waste using mechanochemical ball milling and vapor-assisted aging, achieving up to 99% conversion of PET into monomers. This breakthrough has the potential to significantly reduce plastic pollution and create sustainable processes for producing valuable chemicals.
A Northwestern University study finds that deep sleep has an ancient power to clear waste from the brain, including toxic proteins that may lead to neurodegenerative disease. This waste clearance process is substantially enhanced during deep sleep.
Researchers at Kanazawa University developed a simple and cost-effective way to extract palladium and silver from industrial waste. The new method uses ultrasmall particles of cellulose to selectively adsorb metal ions, resulting in high metal ion adsorption capacities and efficient recovery of pure and elemental metals.
A new technology that can quickly remove and destroy hazardous PFAS compounds from soil and groundwater has been developed by a team of scientists at the University of Rhode Island. The process, called XCT OxyZone, uses a combination of a sugar molecule and chemical oxidation to break down the compounds.
Scientists at Chalmers University of Technology have created a unique method to extract valuable metals like zinc from fly ash produced by incinerating solid waste. This innovative approach can help reduce environmental pollution and increase the profitability of waste incineration, while also promoting a more circular economy.
Researchers found that urban landscapes and human-caused aerosols can start storms sooner and pull them towards cities. In Kansas City, urban land and aerosols amplified large hail by 20%, while in Houston, they led to longer-lasting rainfall that developed earlier.
A new study from North Carolina State University found that using compost as daily cover at landfills can have significant environmental benefits, including reducing eutrophication and acidification. In contrast, using compost to amend soil can be more effective in reducing abiotic resource depletion potential.
Researchers found 27 plastic items per square meter in mangroves, with plastics buried up to 35cm deep. Mangroves' resilience is threatened as trees suffocate when half of the forest floor is covered in plastic.
A new study finds that electronic waste generated by Americans has been declining since 2015, mainly due to the decrease of bulky CRT displays. This decline poses challenges for e-waste recycling regulations and the recovery of critical elements like cobalt and indium.
Researchers found that nearly all insulation materials, except aerogels, were associated with chest infections. Insulators are also at risk of developing chronic obstructive pulmonary disease (COPD) from exposure to asbestos.
Entanglement in waste fishing gear poses a significant threat to Ganges River wildlife, including critically endangered species like the three-striped roofed turtle and Ganges river dolphin. The study highlights the need for recycling systems and awareness-raising initiatives to mitigate plastic pollution.
Scientists at Swansea University have developed a way to extract carbon atoms from waste plastics and turn them into carbon nanotube format for transmitting electricity. The project aims to create long-range electricity transmission materials from waste plastics, advancing global energy sustainability.
The four-year project will map the sources of plastic waste, investigate its effects and generate solutions to reduce waste. Researchers will work with governments, businesses and communities to co-design effective ways to cut plastic pollution.
The UKRI programme aims to improve understanding of plastic pollution impacts and develop solutions for cleaner environments. Researchers will investigate various aspects of plastic waste, including its effects on agriculture, aquaculture, tourism, and waste management practices.
The University of Texas at Arlington and North Central Texas Council of Governments partner to assess regional opportunities for diverting food waste, increasing renewable energy production, and reducing vehicle emissions. The project aims to capture methane gas and produce biogas from anaerobic digestion infrastructure.
Researchers at Penn State discovered that biochars made from cotton gin waste and guayule bagasse can adsorb pharmaceutical compounds, including sulfapyridine, docusate, and erythromycin. The study found that temperature increases during the pyrolysis process enhanced the biochar's capacity to adsorb contaminants.
Researchers at Swansea University have developed a novel process called photoreforming that uses sunlight to convert hazardous medical waste into clean hydrogen fuel. The process has the potential to save millions of pounds by reducing waste disposal costs and mitigating pollution.
Research suggests that cascaded organic Rankine cycle systems can outperform single-stage systems in certain applications, but the trade-off between performance and cost is significant. The study's findings provide valuable insights into delivering environmentally-friendly power from waste heat.
Researchers are exploring the potential to capture, store and release waste heat from Port Talbot steelworks using a thermochemical heat storage material. The project aims to reduce carbon dioxide emissions by offsetting the heat generated by the giant steelworks.
A new study reveals the United States is a top source of plastic pollution in coastal environments, contributing up to 2.25 million metric tons of plastics. The country's high plastic waste generation and lack of effective recycling practices are major contributors to this problem.
The NUS team has developed a method to convert crustacean shells and wood waste into L-DOPA, a widely used drug for Parkinson's disease, and Proline, essential for collagen and cartilage formation. The process combines chemical and biological approaches, potentially reducing reliance on non-renewable fossil fuels.