Articles tagged with Environmental Issues
Researchers have developed a production method for a nanofibrous cellulose matrix, replacing non-renewable industrial materials with environmentally friendly alternatives. The new method has potential biomedical applications due to its biocompatibility properties.
The Dingus family donation supports the launch of the Earth and Planetary Opportunities in Research (EXPLORE) program, which provides hands-on experience for undergraduates in research projects related to Earth and space. The fund also enables fellowships for graduate students working in environmental science and sustainability.
A new commentary found that power plants' use of air pollution control devices (APCDs) saved up to 9,100 lives and up to $100 billion in health costs in 2023. The researchers estimated that APCD use could plummet and severely jeopardize the health of the public if Project 2025 or the America First Agenda is enacted.
Researchers found that 57% of tested chemicals altered fruit fly larvae behavior significantly, even at non-lethal doses. Long-term survival was compromised in a dose-dependent manner, with a 60% drop in egg-laying rates observed among exposed mosquitoes and Painted Lady butterflies.
A new study by University of Southern Denmark researchers reveals that microbes cling to iron surfaces using sticky enzymes, extracting nutrients without wasting energy. This efficient corrosion method poses environmental concerns due to methane production and potential climate change implications.
A three-decade study found polar bears exposed to increased pathogens due to environmental changes, with females at higher risk. The study, published in PLOS ONE, highlights the need for further disease screening in polar bear populations.
A new type of prototype water harvester uses temperature-sensitive materials to pull more water out of the atmosphere in 30 minutes on average than an alternative dehumidifier system using only half the energy. The device is also portable, making it suitable for regions where access to clean drinking water is limited.
Scientists have experimentally demonstrated the bulk photovoltaic effect in a promising material, enabling certain materials to outperform conventional p–n junctions used in solar cells. This advancement signals a promising development for future solar cell technologies and photosensors.
A KAUST-led global study found that livestock management and climate explain woody species coverage in arid environments. Managing grazing pressure and type of herbivore can allow for more sustainable production in these ecosystems.
Researchers developed a system using woodchips and biochar to remove nitrogen, phosphorus, and pharmaceuticals from wastewater. The treatment-train approach showed significant removal of pollutants, with the biochar acting like activated carbon to efficiently remove pharmaceutical residues.
Researchers at WVU have developed microwave technology to recover propylene from polypropylene waste, which can be reused in new plastics or products. The process uses precise control and lower temperatures than traditional methods, offering energy efficiency and reduced emissions.
Researchers at USC found a link between per- and polyfluoroalkyl substances (PFAS) and kidney damage, which may be tied to dysregulation of the gut microbiome. The study, published in Science of the Total Environment, suggests that changes in gut bacteria and related metabolites can explain up to 50% of decreased kidney function.
A new study has identified novel strains of microbes that have adapted to use limited resources in cities, including those found in Hong Kong's subways and skin. These microbes can metabolize manufactured products, posing health risks if they are pathogenic.
Researchers found that foamed cellulose diacetate (CDA) degrades 15 times faster than solid CDA and even faster than paper. The study's results suggest that foamed CDA could be used to replace Styrofoam plastic and single-use plastics, reducing plastic pollution and environmental impacts.
A new study by Harvard researchers finds alarmingly high PFAS concentrations in fish tissues even up to 8 km from the military base. The results underscore the urgent need for more comprehensive monitoring of PFAS in aquatic ecosystems, particularly in regions where freshwater fishing is an important food source.
The school will focus on methods to address structural safety and infrastructure resilience challenges in a climate change context. Key findings include the importance of increasing infrastructure resilience to reduce social wellbeing impacts.
A new study analyzed climate factors' impact on internal migration, revealing regions prone to drought-induced migration, such as Africa, the Middle East, and South Asia. The research highlights the need for policies addressing drivers of migration and consequences for destination regions.
A new process developed by Lehigh University researchers uses evaporative ion exchange (EIX) to concentrate hypersaline brine at room temperature, avoiding scaling and fouling. The process has shown promising results in concentrating salts from hypersaline water, with the potential for widespread use.
Researchers have developed a natural fabric that reflects sunlight and allows heat to escape, while blocking the sun's rays and lowering temperature. The fabric leverages radiative cooling, with three layers designed to optimize cooling, promising relief to city dwellers experiencing warmer temperatures.
Researchers at York University have developed a novel technique to measure gaseous fluorine, revealing that up to 99% of airborne PFAS are unaccounted for. This discovery highlights the need for further research into the sources and environmental implications of PFAS, which can contribute to climate change.
A circular bioeconomy aims to reduce waste, transform industries, and regenerate natural systems for environmentally sustainable food and energy production. The concept needs a values-based economic lens with the right policies and incentives to persuade consumers and producers.
A recent study by Imperial College London has found that dogs swimming in contaminated ponds are releasing harmful levels of two pesticide medications. The chemicals, imidacloprid and fipronil, were used as flea and tick treatments for cats and dogs, posing a significant threat to aquatic life.
A study by UC San Francisco found that more screen time is associated with severe symptoms of depression, anxiety, inattention, and aggression in 9-10 year olds. The effects were small but consistent, with activities like video chatting and playing video games strongly linked to depressive symptoms.
Researchers at Osaka University have developed a way to make tough, chemically recyclable polymers without compromising on heat and chemical resistance. This breakthrough could hugely expand the uses of chemically recyclable polymers.
The Antarctic Peninsula has experienced a dramatic increase in vegetation cover over the last four decades, with satellite data showing an acceleration of 30% in recent years. This 'greening' trend is attributed to climate change and has significant implications for the region's ecosystem and environmental future.
Researchers discovered that wastewater bacteria can break down plastic into small pieces called nanoplastics and use a specialized enzyme to further degrade it. The bacteria then use the broken-down plastic as a food source, providing new possibilities for developing bioengineering solutions to clean up difficult-to-remove plastic waste.
A study by UW researchers found a direct correlation between feeling 'wonder about the universe' and interest in astronomy. Populations with low light pollution reported higher levels of wonder, which led to increased interest in astronomy.
A new study reveals that climate experts believe the Earth is headed for a rise in global temperatures far higher than the 2015 Paris Agreement targets. Two-thirds of respondents think we may succeed in achieving net zero CO2 emissions during the second half of this century, indicating some optimism about mitigation efforts.
Researchers found that individual PFAS have relatively low cytotoxicity and neurotoxicity levels, but the chemicals act together to make mixtures toxic. PFOA and PFOS were found to be major contributors to mixture toxicity.
A new study reveals high levels of airborne plasticizers in Southern California, including phthalates known to cause reproductive harm and cancer. The study uses silicone wristbands to track exposure to these chemicals, finding that daily levels are both high and persistent.
A critical review reveals a significant oversight in research and global regulatory frameworks regarding microplastics in leave-on cosmetics. The study highlights the need for new analytical methodologies to aid future enforcement efforts.
A study by FAMU-FSU College of Engineering researcher Nasrin Alamdari found that the shape, size, and density of microplastics affect their sinking speed, impacting urban stormwater transport. The research suggests solutions like permeable pavements and green spaces can trap microplastics, reducing pollution.
Researchers at Pohang University of Science & Technology developed a non-fluorinated battery system to comply with environmental regulations and enhance battery performance. The innovative 'APA-LC' system, entirely free of fluorinated compounds, shows improved oxidation stability and higher capacity retention.
A study published in PLOS Climate found that climate legislation tends to receive more votes when linked with air pollution or environmental justice initiatives, but less support when associated with water pollution or transportation. The research suggests issue linkage affects political support for climate action, with Democrats consi...
A Dartmouth-led study found that air pollution from fossil fuels reaches the remote Arctic, altering its fundamental atmospheric chemistry. The researchers detected declines in methanesulfonic acid, a biomarker linked to phytoplankton productivity, which plummeted in environments high in emissions.
A new study by MIT researchers identifies characteristic in prison facilities that exacerbate an incarcerated person's vulnerability to summer heat. The findings highlight the need for policymakers and community leaders to address this growing concern, particularly as climate change worsens heat-related risks.
A study published in Royal Society Open Science uses virtual reality to educate people about harmful, non-exhaust vehicle emissions and how to navigate safely. The research reveals that exposure risk is highest at the end of braking events, particularly near bus stops and pedestrian crossings.
A new study suggests that altering coral feeding habits could aid their recovery from bleaching events caused by rising ocean temperatures and acidification. Feeding corals zooplankton after a bleaching event improved their resilience to warming temperatures, promoting growth and enhancing recovery rates.
Researchers aim to reduce PFAS contamination risk in agriculture by developing monitoring tools and strategies for remediation. The study focuses on comprehensively understanding PFAS uptake and bioaccumulation in plants, advancing strategies for PFAS remediation in biosolid/soil.
Researchers developed a low-cost means of measuring indoor air quality, pinpointing sources and factors affecting PM concentrations. Air pollution levels remained within World Health Organisation guidelines during school hours, with dominant outdoor sources.
The study found a recent reversal of fortunes in the Adriatic Sea, with populations of marine predators and their prey plummeting and being replaced by a single species. The researchers used seafloor environments to determine interactions between species, showing a decline in biodiversity and excess nutrients.
Researchers found that contemplating pragmatic steps and fostering a sense of community can combat climate burnout. People are more likely to experience burnout when feeling despair about tackling climate change, but imagining a positive future where the crisis has been addressed can reduce disengagement.
The University of Colorado Anschutz Medical Campus has identified key opportunities to strengthen climate education for healthcare professionals. The authors propose a developmental learning model with six interconnected domains that build on foundational skills in communication and collaboration.
Researchers have discovered microplastics in all three parts of coral anatomy, including surface mucus, tissue, and skeleton. This finding may explain the 'missing plastic problem' and suggests that corals could be sequestering plastic waste from the ocean.
A research team developed a computational workflow for analyzing large data sets in metabolomics, speeding up the process to capture chemical profiles of coastal environments. The tool, accessible to researchers worldwide, highlights potential sources of pollution and enables statistical insights within minutes.
A new USDA-funded research grant supports the development of sustainable, biodegradable mulch films that can provide nutrients to crops while reducing plastic pollution. The project aims to create durable and effective films that can be used for years without harming the environment.
A new study suggests that urban heating and cooling systems will significantly impact future energy demand due to climate change, with smaller-scale city-level waste heat contributing to local microclimates. The research emphasizes the need for comprehensive climate impact assessment and science-based policymaking to address this issue.
A Dartmouth-led study projects that Antarctica's glaciers will rapidly retreat and potentially collapse by 2200, increasing global sea levels by up to 5.5 feet by 2300. The researchers used 16 ice-sheet models to refine the projection of ice loss over the next 300 years.
Climate change exacerbates agricultural environmental harm, requiring sustainable practices to stabilize global food supply. Researchers identify new methods like precision farming and crop rotation to reduce greenhouse gas emissions and prevent feedback loops.
A new study suggests a novel way to prevent mold growth on future space stations by understanding the exposures that happen in the space environment. Repeated elevated humidity exposures can lead to rapid microbial growth and composition changes in dust, making it easier for microbes to thrive.
Researchers developed a comprehensive roadmap to measure legacy phosphorus accumulation in soils. They identified key priorities and non-priorities, providing a unified vision for future phosphorus use. The study found that accumulated phosphorus is often located in the top 12 inches of soil and transforms into different forms than whe...
A psychology study finds that framing climate action as a way to protect American values and traditions can increase belief in climate change and support for pro-environmental policies among both liberals and conservatives. The study, which analyzed data from 50,000 participants across 60 countries, suggests that messaging that aligns ...
A new filtration material developed by MIT researchers uses natural silk and cellulose to remove persistent chemicals, including PFAS and heavy metals. The material's antimicrobial properties help keep filters clean, providing a nature-based solution to water contamination.
A new study from the University of Leeds reveals that uncollected waste and open burning of plastic waste are major contributors to the plastic pollution crisis. The research estimates that 52 million tonnes of plastic products entered the environment in 2020, with over two-thirds of it coming from uncollected rubbish.
A worldwide survey by Goethe University Frankfurt found that students in environmental studies are unaware of the main causes of biodiversity loss. The study identified eight response types with varying levels of understanding, with climate change being underestimated in many countries. The researchers suggest that this lack of knowled...
A study published in Nature Medicine found that countries with greater inequalities have older brain ages due to environmental factors like pollution and socioeconomic disparities. Participants from diverse geographical populations showed varying levels of brain age gaps, particularly those with dementia.
Researchers found that recreational activities like tubing and swimming temporarily introduce chemicals and microscopic organisms into local waterways. The study suggests that these changes can have significant impacts on plants and animals along the way, even if they are short-lived.
Researchers call for a rethink of environmental decision-making to consider foreseeable harm and integrate key scientific and ecological evidence, including local community knowledge. The update aims to address biodiversity loss as a human rights issue and align with advances in international human rights law.
The Fundão dam collapse, one of the world's most significant environmental tragedies, has left a lasting legacy of devastation in Brazil. Researchers have found that the environmental damage has intensified over the years, threatening human and wildlife health.
The new ERC EARTH research center will focus on developing sustainable refrigerant technologies and practices to improve quality of life and combat climate change. Lehigh University's team, led by David Vicic, will work on reclamation and repurposing of high-GWP legacy refrigerants.