Articles tagged with Greenhouse Gases
Researchers develop breakthrough process to transform polyethylene into polypropylene, reducing greenhouse gas emissions by scalable and rapidly implementable method. The process could potentially save 3 million cars' worth of GHG emissions if 20% of global PE waste is recovered.
A multi-institutional team led by LSU researchers will investigate factors affecting natural methane emissions in Louisiana's coastal wetlands. The study aims to improve understanding of methane cycling processes, which are poorly understood and affect the conditions creating methane emissions.
The University of Tennessee Institute of Agriculture has received a $30 million grant to empower grassland farmers in climate-smart agriculture. The project aims to enhance operation resilience and optimize profitability while improving soil health and biodiversity.
A study by the University of Exeter and Greenpeace Research Laboratories reveals that synthetic nitrogen fertilisers contribute significantly to greenhouse gas emissions. The researchers estimate that the supply chain for these fertilisers is responsible for emitting the equivalent of 1.13 gigatonnes of CO₂ in 2018.
Diatoms have a complex pathway to produce the brown pigment fucoxanthin, which enables efficient light harvesting during photosynthesis. The discovery provides new insights into the synthesis of this important pigment, with potential applications in biotechnology and ecology.
A consultant anaesthetist used a nitrous oxide cracking device to reduce her own exposure to the greenhouse gas during labour. The technology helps collect and break down nitrous oxide breathed out via a facemask, making it easier to use and reducing environmental harm.
A new study found that decarbonization efforts in Texas significantly reduce air pollution-related health effects, offsetting the cost of these efforts. However, Black and low-income communities still face higher levels of air pollution and related health effects.
Realizing net-zero food systems necessitates the adoption of new technologies and diet shifts to reduce global greenhouse gas emissions. The goal is to achieve a net-zero emission global food system by 2050, with a roadmap outlining milestones for implementation by 2030 and 2040.
The TU Wien team has created a catalyst that can convert CO2 and methane into synthesis gas without the formation of carbon nanotubes. This approach, called dry reforming, has the potential to convert climate-damaging greenhouse gases into valuable products.
A new paper from Concordia University's Next-Generation Cities Institute outlines the challenges and realities of sustainable real estate development. The study identifies key stakeholders and building life-cycle processes to reduce carbon footprint. Cities can use municipal policies and incentives, such as fast-track zoning and densit...
A new optimization model aims to improve the efficiency of bike-sharing systems by predicting user demand and adjusting service operations accordingly. The model has shown promising results, reducing problems by 41% compared to no rebalancing.
A recent study published in One Earth explores the potential for utilizing urban tree waste to reduce global warming potential in the United States. The researchers found that adopting eco-friendly uses for urban tree waste could significantly reduce greenhouse gas emissions in U.S. cities.
Researchers used satellite imagery and machine learning to pinpoint high-priority areas for deforestation action, reducing the target area by 160,000 km². The study reveals that only 37% of the last three years' deforestation rate was covered by official monitoring in the 11 municipalities.
Researchers found that non-growing season nitrous oxide emissions in the Midwest can account for up to 60% of annual emissions. Environmental factors such as precipitation and temperature drive these emissions, with more intensive freezing causing increased emissions in the southeastern Midwest.
Researchers have developed a prototype device that could replace traditional air conditioners with solid refrigerants, reducing greenhouse gas emissions and climate change. The system uses pressure changes to cycle between solid and liquid states, efficiently cooling spaces without leaks.
Researchers at Iowa State University found a 900-year cooling trend in the Gulf of Maine, reversing to rapid warming since the late 1800s. The study used clam shell data and climate simulations to link the change to increased greenhouse gas concentrations.
A comprehensive assessment of scientific literature found that more than 58% of human diseases caused by pathogens have been aggravated by climatic hazards. The research identified 218 out of 375 known human pathogenic diseases affected by at least one climatic hazard via 1,006 unique pathways.
Experts argue that seagrasses are crucial for achieving the UN Sustainable Development goals due to their carbon absorption and biodiversity benefits. The conservation and restoration of seagrass meadows can help tackle climate change and promote biodiversity recovery, making them a nature-based solution for the planet's future.
Researchers at Radboud University found that using Phoslock can reduce methane emissions by up to 74% and dredging by approximately 52%. These methods target eutrophication, a key driver of methane production in lakes.
A new study by University of Bath psychologists found plant-based meat alternatives cause lower greenhouse gas emissions, require less agricultural land, and have better nutritional profiles compared to animal products. These findings support the use of plant-based products as a healthier and more sustainable solution for consumers.
Researchers at Van Andel Institute and University of Freiburg have discovered an enzyme that can break down nitrous oxide into harmless nitrogen and water. This breakthrough could potentially combat one of the main contributors to climate change, which accounts for only 7% of greenhouse gases but has a much greater impact.
Researchers found that greenhouse gases are the primary reason for increased temperatures and will likely continue to be the main cause of hotter temperatures in the future. The study suggests that extreme heatwave events will increase by more than 30 percentage points in coming years, with almost two-thirds caused by greenhouse gases.
A new study by Pusan National University researchers finds that dry heatwaves mainly occur in northwestern East Asia, while moist heatwaves prevail over southern East Asia. The study predicts more frequent dry heatwaves and longer-lasting moist heatwaves under climate change scenarios.
A recent study found that greenhouse gases are the primary reason for increased temperatures and will likely continue to be the main contributing factor. Simulations show that extreme heatwave events will increase by over 30 percentage points in coming years, primarily due to human-caused emissions.
Researchers at Heidelberg University have created crystalline materials that can selectively bind polyfluorinated hydrocarbons on their surface. The porous crystals show extremely high selectivity for adsorbing fluorine-containing greenhouse gases, which have a significant impact on global warming.
Researchers analyzed physiological parameters to understand metabolic and nutritional characteristics linked to enteric methane emissions in Japanese Black cattle. Cattle with high methane emissions were found to have a higher butyrate-to-propionate ratio, decreased amino acid levels, and increased insulin concentrations.
A Dartmouth study provides a scientific basis for climate liability claims between individual countries, linking national emissions to global economic losses and warming. The research estimates $6 trillion in cumulative losses attributable to the world's top emitters from 1990 to 2014.
Researchers from the University of York discovered a link between reducing particle pollution and increasing surface ozone pollution in some emerging economies. The study found that reducing particle pollution can lead to a 20-30% increase in ozone pollution, impacting health, ecosystems, and agriculture.
A recent study published in Science Advances provides an unprecedented picture of sea level over the past 4,000 years, highlighting that modern sea level rise is anomalous and likely driven by greenhouse gas warming. The research uses precise uranium-series dates on speleothem samples to estimate global mean sea level during this period.
The thawing of permafrost soils could release massive amounts of greenhouse gases, exacerbating global warming. The Arctic regions are experiencing rapid changes in land and sea temperatures, threatening habitats and human populations.
A team of experts presents a new framework for understanding the complex relationship between AI and climate change, suggesting ways to better align AI with climate goals. The study highlights the need for holistic evaluation of AI's impact on greenhouse gas emissions.
Researchers discovered that copper availability affects the release of nitrous oxide, a potent greenhouse gas. When copper is not available, microbes release more harmful gases instead of nitrogen, which makes up 78% of Earth's atmosphere. By adding metal to natural systems, it may mitigate nitrous oxide release.
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.
Healthcare accounts for nearly 5% of global greenhouse gas emissions, with inhaled anaesthetics contributing significantly. Doctors advocate for a regulatory framework for mandatory reporting and accountability to reduce healthcare's substantial greenhouse gas emissions.
A new study provides a roadmap for the US to reach its 50% greenhouse gas emissions reduction target by 2030, with rapid decarbonization in power and transportation sectors crucial. The study, based on six leading energy models, suggests that tripling historic carbon reductions is achievable through collaboration across all sectors.
A new study suggests achieving a 50% reduction in US greenhouse gas emissions by 2030 is possible through increasing renewable capacity and transitioning to electric vehicles. This would limit global warming to 1.5 degrees Celsius, aligning with the UN's climate target.
A new 'climate cardiology' specialty is needed to tackle the growing links between climate change and cardiovascular health. Experts warn that the healthcare sector contributes to greenhouse gas emissions and air pollution, increasing the risk of cardiovascular disease.
A new report from the InterAcademy Partnership highlights the severe impacts of climate change on human health, including increased risk of heat-related illnesses and food insecurity. The report calls for urgent action to reduce greenhouse gas emissions and strengthen disease surveillance systems to mitigate these effects.
Research finds human activity is behind the warmest and wettest winter on record in northwest Russia, raising flood and drought risks. The North Atlantic Oscillation's impact is reduced compared to greenhouse gas emissions.
China has increased animal protein production 800% over the past 40 years, but nitrous oxide emissions have risen only 286%, thanks to policy and farm management interventions. Anaerobic digestion and composting on farms are key strategies for future reduction in greenhouse gases.
A new study demonstrates a machine-learning approach that can learn to control a fleet of autonomous vehicles as they approach and travel through a signalized intersection. The technique reduces fuel consumption and emissions while improving average vehicle speed, with benefits seen even when only 25% of cars use the control algorithm.
A new study suggests that a transformative shift in the global food system, focusing on efficiency and reducing animal products, could significantly decrease emissions. However, such changes might lead to increased food prices, affecting vulnerable populations.
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.
Surgeons-in-training suggest reducing waste, switching to reusable devices and gowns, optimizing OR energy use, and delivering care via telemedicine to lower climate impact. Implementing these changes can help extend patient lifespan and expand access to timely care while addressing climate change.
Researchers used weather radar data to identify areas where large numbers of migrating birds fly through the rotor-swept zone and stopover in high densities. This information can guide the placement of new wind energy development and turbine operation to minimize collisions and habitat loss.
A study by Princeton University researchers predicts that unchecked global emissions will lead to a mass extinction of marine life, with tropical waters experiencing the greatest loss of biodiversity. The study found that reversing greenhouse gas emissions could reduce the risk of extinction by more than 70%.
Research reveals that tropospheric ozone contributes more to the Southern Ocean's warming than previously thought. This finding highlights the importance of reducing air pollution to mitigate ocean heat uptake and climate change.
Deforestation in Indigenous lands, particularly in Apyterewa Territory, poses a significant threat to Brazil's ability to meet its international climate change mitigation targets. The Brazilian government must take effective action to enforce environmental laws and protect the Amazon region.
A new model predicts how oil and gas wells heat up the surrounding permafrost, causing it to thaw and release methane. The study shows that operating a single well for 30 years can melt the surrounding permafrost in a 10-meter radius, releasing up to 500,000 cubic meters of methane.
Researchers found that seafloor spreading rates have slowed down globally over the past 19 million years, with an average slowdown of 40%. This decrease is linked to increased friction between colliding tectonic plates and may be driven by subduction zones. The study's findings could help contextualize long-term changes in the atmosphere.
Researchers have discovered that bacteria can convert methane into electricity, with 31% efficiency, providing a potential breakthrough for renewable energy and reducing greenhouse gas emissions in contaminated water sources.
Researchers have made a breakthrough in controlling bacterial nitrogen fixation by cereals, enabling them to produce their own ammonia fertiliser. This development has the potential to reduce reliance on industrially produced ammonia-based fertilisers and mitigate environmental pollution and greenhouse gas emissions.
Researchers found that using indoor fans can increase the indoor temperature threshold before discomfort sets in by 3-4°C, reducing the need for air conditioners. The study also revealed a significant reduction in energy consumption and associated greenhouse gas emissions by up to 70%.
Researchers at Hokkaido University found that cooler summer temperatures across Greenland are triggered by changes in the El Niño climate pattern in the Pacific Ocean. This discovery will help improve future predictions of Arctic ice sheet and sea ice melting.
A new study provides evidence that long-term warming of the Amundsen Sea, a key contributor to global sea level rise, is linked to rising greenhouse gases. The research suggests that ocean temperatures in the region have been rising since before records began and are expected to continue if greenhouse gas emissions increase.
Research reveals that ozone levels in the upper and lower atmosphere are weakening one of Earth's main cooling mechanisms, making it a significant greenhouse gas. The study found that increased ozone in the lower atmosphere caused 60% of the overall ozone-induced warming seen in Southern Ocean waters.
A study by Norwegian University of Science and Technology finds that people over 60 account for nearly a third of global greenhouse gas emissions. This is due to their consumption habits, including higher energy usage and housing expenses, which are influenced by their wealth and aging population.
The Global Methane Pledge and increasing methane emissions from fossil fuels are driving a rapid rise in atmospheric methane concentration. The GOSAT satellite project has measured the total amount of greenhouse gases in the atmosphere, revealing an upward trend in methane concentrations since 2020.
Researchers at MIT have developed a way to create lightweight fibers out of petroleum residue, offering advantages over traditional carbon fiber materials. The new process uses heavy waste material left over from refining, reducing production costs and enabling the creation of load-bearing applications.
Researchers from Environmental Defense Fund and Woodwell Climate Research Center recommend a regional crediting framework to strengthen the integrity of the voluntary soil carbon market. Implementing this approach can help ensure measurable, reliable, long-term climate solutions.