Articles tagged with Environmental Issues
The construction of dams and changes in land use have significantly impacted the amount of sediment rivers carry to oceans. Sediment transport has decreased by 49% globally due to dam construction, while increasing on 36% of rivers in the south, primarily driven by deforestation.
A new study by the Yale Program on Climate Change Communication found that romantic partners can significantly influence each other's views on climate change, with only 38% alignment in climate beliefs and 31% alignment in behaviors. The study suggests that conversations about climate change can help shift public support and increase e...
A recent NTU Singapore study finds that climate change is a stronger driver of increasing atmospheric methane than expected, leading to more heat being trapped in the atmosphere. The research suggests that nature could be producing more and consuming less methane than previously realized, contributing to higher methane emissions.
A recent study found that approximately 43.5% of rivers worldwide have concerning concentrations of pharmaceutical ingredients, including antidepressants and painkillers. The research highlights the need to reduce emissions of these substances into the environment to mitigate their impact on river health.
The study highlights opportunities for robotics to support human activities, foster innovation, and enhance monitoring. However, it also identifies potential threats such as exacerbating inequalities and diverting resources from tried-and-tested solutions. Researchers emphasize the need for early identification of negative impacts and ...
Researchers studying Mexico City's 700-year history highlight the need for democratic adaptation decisions and prioritizing climate justice over technological innovation. The city's complex water management system, built on an island in a saline lake, demonstrates trade-offs between flood control and urban development.
A nationwide study by UTEP researchers found that public housing residents experience higher levels of fine particulate matter, disproportionately affecting Black, Hispanic, disabled, and low-income populations. The study highlights the need for environmental, public health, and housing policies to address air pollution disparities.
A recent study by ICTA-UAB researchers found that the COVID-19 pandemic has led to a shift in public expectations, with many citizens becoming more pessimistic about future climate action. However, some respondents expressed positive views on the impact of COVID-19 on consumption habits and environmental awareness.
A study published in Nature Climate Change reveals that companies purchasing renewable energy certificates (RECs) are overstating their climate mitigation claims. The researchers found that firms reported a 31% reduction in emissions, but the actual drop was only 10%, three times lower.
University of Queensland scientists have discovered a way to make molecular switches work at room temperature, paving the way for more efficient and environmentally friendly technologies. This breakthrough could lead to advancements in MRI scans, sensors, carbon capture, and hydrogen fuel cells.
A study published in Journal of Pharmaceutical Analysis found that the quality of mistletoe, a traditional Chinese medicine, is affected by its host plant. The researchers used metabolomics to investigate the influence of host plants and environmental factors on mistletoe's medicinal qualities. The results show that both host plants an...
A new analysis found over 10 million tonnes of PCB-containing materials remain globally, posing public health and environmental threats. The Stockholm Convention's deadline for elimination is nearing, but most countries are not on track to meet it.
A new article in BioScience argues that incremental changes are insufficient to address planetary emergencies, and calls for broader system-wide changes to governing interactions between climate, biodiversity, and society. The authors hope their work will inform the setting of biodiversity objectives and targets.
A recent study on Reddit climate debates found little evidence of echo chambers, instead revealing a mix of polarized discussions and deliberate debate. The researchers analyzed over 18,000 posts and 267,000 comments from 93,850 users to examine topics, information sources, and community dynamics.
The research highlights the importance of social science in engaging people and societies, ensuring a green transition that promotes wellbeing, equity, and fairness. The study suggests that both profound societal change and technical improvements are needed to meet climate goals.
The study reveals that the U.S., Brazil, and China are top suppliers of global plastic packaging waste, with North and South America responsible for most production and consumption. The researchers emphasize the need for producers and consumers to share responsibility and costs to reduce plastic use.
A new study reveals that tidal flats in the southeastern US are under pressure from urbanization, leading to erosion and loss of these critical ecosystem guardians. The research highlights the need for sustainable management plans to mitigate the impacts of urban expansion on coastal environments.
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.
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 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 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.
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 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.
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 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.
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 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 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 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 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.
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.
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.
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.
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 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 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 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 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.
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.
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.
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.
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 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.