Articles tagged with Environmental Issues
Environmental advocates argue that chemical recycling doesn't eliminate single-use plastics, which remain a significant pollution concern. The Biden administration is seeking comment on exempting industry processes from Clean Air Act regulations, amid growing state legislation encouraging advanced recycling.
Researchers at Universities of Cologne and Bayreuth found that flooding frequency and topography determine the abundance of microplastics in an alluvial Rhine soil. The study, published in Science of the Total Environment, revealed that microplastics can accumulate in floodplains and be transported into deeper soil layers.
A new study found that genetics and environmental influences both contribute to socioeconomic status's impact on the brain, with different effects on various brain regions. The research used the UK Biobank dataset to analyze nearly 24,000 individuals and identified specific brain regions related to socioeconomic status.
Researchers at Ritsumeikan University in Japan have developed a new method to fabricate cadmium-free thin-film solar cells with improved energy conversion efficiency. The process replaces toxic materials with native buffer layers formed through air-annealing, reducing waste and increasing the potential for large-scale manufacturing.
A major new study is investigating the effects of beavers on the Arctic landscape, other animals, and local Indigenous communities. The project aims to understand the complex interlinkages between ecological and sociological changes as beaver numbers increase.
A Colorado State University-led study found greater natural gas leak densities in communities with low-income or majority non-white populations compared to predominantly white neighborhoods. The research highlights the need for improved equity in gas distribution systems to enhance health and safety outcomes.
A new study from McGill University finds that people living near regions prone to wildfires may have a higher incidence of lung cancer and brain tumors. Exposure to carcinogenic wildfire pollutants on a chronic basis increases the risk of certain cancers, according to researchers.
A new study reveals that urban residents have a simplistic understanding of coastal ecosystems and are less likely to take pro-environmental actions. The research highlights an issue known as urbanized knowledge syndrome, which can harm natural ecosystems and undermine community resilience.
Researchers found that Australian native rushes, including Phragmites australis, can significantly remove PFAS chemicals from contaminated surface water. The study used floating wetlands as a mechanism for plants to grow hydroponically and showed a 42-53% removal of legacy PFAS contaminants.
Researchers have found a group of deep-sea bacteria that stick to plastic, allowing them to 'hitchhike' across the ocean and potentially enhancing microbial connectivity. These bacteria were discovered in the North-East Atlantic and include strains previously isolated from shipwrecks and extreme environments.
An international group of scientists calls for regulating and phasing out the production of new plastics to reduce plastic pollution. Gradually cutting production is expected to bring numerous societal, environmental, and economic benefits, including boosting recycled plastics' value and helping tackle climate change.
Researchers developed an enzyme that can break down plastic waste in hours, making it a promising solution for the world's plastic problem. The enzyme, called FAST-PETase, has the potential to revolutionize recycling and reduce global landfill waste by billions of tons.
A survey of 441 Germans found that environmental concerns do not drive demand for meat substitutes, but rather attitudes towards animal welfare and health. Manufacturers are advised to highlight the ecological advantages and healthier composition of their products.
A team of scientists has developed a solution to accurately simulate how the atmosphere works by linking large- and small-scale simulations. This helps model winds, transport of pollutants, climate projections, and weather forecasts with greater accuracy.
A new study by University College London (UCL) researchers found that climate change and intensive agricultural land use have already led to a 49% reduction in insect populations in the most impacted parts of the world. Insect declines are linked to rising temperatures and land use changes, with tropical areas seeing the biggest declines.
A multi-institutional team finds that nitrogen insufficiency is a growing concern worldwide due to increased demand for nitrogen by plants and microbes. Declining nitrogen availability can slow plant growth and affect the food chain, while also constraining carbon storage and contributing to global warming.
A Washington State University study found that many Americans believe poverty, not race, is the root cause of environmental inequality. However, research shows that Black communities statistically suffer from environmental problems more than white communities of similar income levels.
Researchers at Cornell University have discovered a way to use light and oxygen to upcycle polystyrene into benzoic acid, a product stocked in chemistry labs and used in various products. The process is mild, climate-friendly, and scalable to commercial waste streams.
Researchers found that metal concentrations were particularly elevated in CWSs serving semi-urban, Hispanic communities, highlighting environmental justice concerns. Arsenic, barium, chromium, selenium, and uranium concentrations were also disproportionately elevated.
Researchers at Nanyang Technological University in Singapore have developed a sustainable, pollen-based 'paper' that can be printed on and reused multiple times. The paper's non-toxic properties make it an attractive alternative to conventional wood-based paper, which has a significant environmental impact.
Researchers at Rice University have developed a method to turn treated plastic waste into an effective carbon dioxide sorbent, capable of removing CO2 from flue gas streams. The process involves heating plastic waste in the presence of potassium acetate, producing particles with nanometer-scale pores that trap CO2 molecules.
A new study by Resources for the Future and Columbia University finds that losing a hectare of wetlands can cost society an average of $1,900 in flood damages per year. In developed areas, this figure rises to over $8,000. The research highlights the importance of preserving wetlands for flood mitigation.
Experts recommend an integrated approach to reduce the impacts of fracking on wildlife and human health. This includes protecting vulnerable populations, ecosystems, and regions underrepresented in decision-making processes.
Researchers at George Washington University developed a novel tool to rapidly screen pesticides for safety and performance. The new approach can aid in the design of next-generation molecules to develop safer pesticides, with only 7% of analyzed compounds meeting safety criteria.
Researchers at the University of South Australia have developed a novel approach to rubber recycling that repurposes end-of-life tyres into concrete for residential constructions. The study found that crumb rubber concrete is a safe, green alternative with higher impact resistance, toughness, and ductility compared to conventional conc...
A new study reveals that American Indian communities are less likely to benefit from recent downward trends in fine particulate matter (PM2.5) concentrations in the US. Average PM2.5 concentrations were higher in AI-populated counties compared to non-AI populated counties by 2018, contrary to previous declines.
Researchers at Skoltech have developed a new method to monitor soil freezing, enabling the creation of safer and more stable structures in permafrost regions. The water potential method is fast, inexpensive, and applicable to various soil types, providing accurate estimates of freezing point and unfrozen water content.
A new study by University of Maryland scientists has developed a five-stage scale to track the progression of salt pollution in freshwater streams and rivers. The researchers found that road salts combined with other pollutants create
A team of researchers found that people who purchased environmentally friendly products in the past are likely to continue doing so, but gamification practices did not significantly impact future eco-friendly tendencies. The study explored game-based solutions to increase intrinsic motivations for sustainable practices.
A new analysis reveals Caribbean coral reefs have warmed by 0.5 to 1°C in the past century, with projected further warming of 1.5°C by 2100. Marine heatwaves are also increasing in frequency and length, posing a significant threat to these ecosystems.
A new global database reveals 1.2 million km of rivers at risk from treated wastewater discharge, with some exceeding environmental thresholds for concern. The research aims to identify hotspots and pinpoint individual treatment plants in need of improvement to mitigate water pollution risks.
A novel framework for improving scientific understanding of 'recurrent acute disasters' (RADs) has been developed to account for legacy conditions that leave people vulnerable in the wake of repeated disasters. The framework proposes a holistic view of the 'human ecosystem' and trends in legacy conditions.
A team of researchers proposes converting discarded surgical masks into a burnable fuel through pyrolysis, yielding a carbon-rich oil with high heating value. The study suggests this method offers better environmental performance compared to conventional waste management approaches.
A landmark study published in JAMA reveals that hurricanes and tropical cyclones in the US are associated with increased deaths from various causes, including injuries, infectious diseases, and cardiovascular conditions. The study analyzed 33.6 million death records and found a significant increase in mortality rates after tropical cyc...
A new study predicts that El Niño events will increase in frequency by 2040, regardless of efforts to reduce carbon emissions. The researchers used state-of-the-art climate models to examine the potential impacts of different emissions scenarios on global weather fluctuations.
A new grant from HEI Energy will allow researchers to explore possible links between fracking and water contaminants in southwestern Pennsylvania. The team will examine over 7,000 water samples for 40 diverse chemical signatures to identify if contaminants originated from the fracking process or legacy resource extraction.
The UN Environment Programme's latest Frontiers Report identifies three critical environmental issues: urban noise pollution, wildfires, and phenological mismatches. These issues pose significant risks to public health and ecological systems, emphasizing the need for urgent action.
Researchers used AI to identify detrimental dams and reveal lost environmental benefits from existing 158 hydropower dams. The study considers six socio-environmental criteria, including river flow and energy production, to optimize dam selection across the entire Amazon basin.
A new study found concentrations of pharmaceuticals at potentially toxic levels in over a quarter of the world's rivers, including major waterways like the Thames and Amazon. The research highlights the need for increased monitoring to mitigate environmental impacts.
Researchers have discovered a spray-induced gene silencing technique that effectively controls late blight, a devastating disease affecting potatoes and tomatoes. This environmentally friendly method has potential to reduce the usage of chemical pesticides and can be quickly adapted for new targets.
A study published in AGU Advances found that water depletion from rivers and lakes accelerates near urban centers due to factors like increased evaporation and groundwater exploitation. Researchers analyzed satellite imagery of the US from 1984 to 2018 and developed a model predicting surface water loss proximity to cities.
A new report identifies ten key facts about global land use and details opportunities for a more sustainable and equitable approach. The study emphasizes the importance of considering trade-offs and acknowledging the rights of marginalized groups in policymaking.
Research finds climate extremes contribute to increased environmental concern and support for Green parties across Europe, with regional differences affecting responses. Economic and demographic factors also play a role in shaping public attitudes towards climate change.
A PSU-led research team will investigate microplastic sources and movement across the Columbia River Basin, aiming to secure a larger grant. The project involves diverse stakeholders and will develop an educational course for K-12 educators.
Researchers found that soil pH and total cadmium are key factors controlling cadmium uptake in cacao beans. Liming soils can increase yield while reducing cadmium content, but access to lime may be limited for smallholder farmers.
A Texas A&M University study reveals that indoor air quality in homes is often worse than in office buildings, with higher concentrations of fine particulate matter and volatile organic compounds. The research suggests that remote workers are exposed to poorer health outcomes due to inadequate home air quality.
A new study suggests that mass customization can generate higher profits and reduce environmental waste considerably when overproduction is a problem. Customers willing to wait for bespoke clothing can make the fashion industry more environmentally sustainable.
Research reveals three modes of thought among Finnish forest owners: one views biodiversity loss as an emergency and advocates for radical change, while others see no problem. The study highlights the importance of acknowledging biodiversity loss denial in forestry discussions.
The article highlights the disproportionate impact of environmental exposures on the LGBTQ+ community due to social and economic inequalities. The authors recommend implementing a system to collect sexual orientation data and incorporating LGBTQ+ issues into environmental justice research.
A study by ICTA-UAB suggests that microplastic levels in the Mediterranean Sea are likely higher than previously estimated due to the limitations of current sampling methods. The researchers emphasize the need for a common framework to compare results and combine methods to better understand the distribution and impacts of microplastics.
The COVID-19 pandemic had both positive and negative impacts on environmental pollution and carbon emissions. The study found that water quality improved globally due to reduced commercial activities, while air pollutants like NO2 and CO decreased in most regions. However, sulphur dioxide and ozone levels increased, and soil contaminat...
A Brazilian study found a correlation between dealing with COVID-19 and environmental disasters, highlighting the need for improved infrastructure and community resilience. The study also identified a lack of continuity in funding for disaster relief and pandemic response.
Researchers found a 30% larger decrease in surface-level NO2 levels in countries with strict lockdowns compared to those without. Within cities, variations were stark, with areas near coal-powered plants or airports seeing greater reductions.
Researchers at West Virginia University have created a simple microwave catalytic process to upcycle single-use plastics into high-value benzene, toluene, and xylene. This technology aims to increase the recycling rate of plastic waste and reduce greenhouse gas emissions by providing an alternative source of petrochemical materials.
Researchers at RMIT University have developed a smart and super-efficient way of capturing carbon dioxide and converting it to solid carbon, which can be integrated into existing industrial processes. The technology offers a pathway for instantly converting CO2 as it is produced, locking it permanently in a solid state.
Researchers investigating China's rapid shift towards meat and milk consumption aim to develop a concept of 'sufficiency' as a tool for reducing human impact on the environment. By exploring the middle ground between too little and too much, they hope to inform strategies for more sustainable food practices.
Researchers have found an unprecedented increase in winter stream flow rates over the last 25 years, with nearly 80% above average, driven by permafrost melt and forest fires. The combined effects of these factors are accelerating Arctic ice melt and exacerbating global warming.
A recent study highlights the need for inclusive forest conservation policies that learn from past mistakes. The researchers argue that top-down approaches can be harmful and accelerate deforestation, instead recommending local social impact assessments and indigenous involvement in policy-making.
A study by Tulane University found that swapping just one serving of beef per day for a more planet-friendly alternative can reduce greenhouse gas emissions by up to 48% and water-use impacts by 30%. This simple change could collectively make a substantial difference in reducing the carbon footprint of US diets.
A pilot study reveals that a single dryer can discharge up to 120 million microfibers annually, exceeding washing machine releases. Microfibers from natural and synthetic fabrics are released through friction in the dryer, posing environmental concerns.