Articles tagged with Methane
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The study forecasts cumulative emissions from the 'country of permafrost' through 2100 under low, medium, and high warming scenarios. Under a low warming scenario, permafrost would release 55 petagrams of carbon by the end of the century, while potentially releasing 232 Pg if left unchecked.
Researchers find that airborne chemical methyl bromide is a compelling indicator of biological activity on other planets. Its detectability increases around M dwarf stars, making it an attractive target for future missions to search for extraterrestrial life.
Researchers at Penn State and the University of Arizona are developing biotechnology foundations that employ synthetic anaerobic bacteria to capture and convert methane. The goal is to create scalable biological reactors that can harness methane before it escapes to the atmosphere, producing electricity or valuable chemicals.
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.
A magnetic field enhances the production of synthetic biogas from agricultural waste by promoting cell proliferation and glycolysis. The study found a 44.71% increase in methane production with a specific concentration of TiO2-FNi and magnetic field.
Researchers at the University of Oklahoma and Iowa State University are exploring a four-year project to create carbon-neutral or carbon-negative hydrogen energy by converting methane into solid carbon. The team aims to create new value from the byproduct, solid carbon, which could benefit society in various ways.
A team of researchers has created a novel catalyst with single gold atoms that selectively converts carbon dioxide into methane. The catalyst, which anchors to an ultrathin zinc–indium sulfide nanolayer, exhibits high activity and CH4 selectivity when exposed to sunlight.
Researchers develop a new strategy to activate methane under mild conditions by confining copper atoms in ultrathin two-dimensional Ru nanosheets. This approach enables highly selective and efficient room-temperature conversion of methane to liquid C1 oxygenates with an over 99% selectivity.
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.
Researchers have developed a method to convert methane into methanol under ambient conditions, reducing carbon dioxide emissions and paving the way for alternative fuels. The process uses photocatalysts and has potential to mitigate climate change by utilizing methane reserves.
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 research group at State University of Campinas proposes treating brewery spent grain with ultrasound before digestion by microorganisms, resulting in 56% methane production. The process generates biogas that can be used as vehicle fuel or burned to produce electricity and heat.
A team of WVU researchers has developed a biodegradable composite material using cotton fibers from recycled mattresses, with the goal of replacing single-use plastics. The new material will be created through 3D printing and can be used to produce various consumer products, such as beverage straws and disposable packaging.
Researchers have developed a novel process converting methane into liquid methanol at ambient temperature and pressure using visible light. The method uses a continuous flow of methane/oxygen-saturated water over a novel metal-organic framework (MOF) catalyst, achieving 100% selectivity with no by-products.
Researchers developed an automated method to create 3D images of leaked gas clouds, enabling precise location, volume, and concentration determination. This technology can provide early leak warnings, assess risk, or determine the best way to fix leaks in large facilities with stored toxic chemicals.
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 new Boston-area study by Harvard T.H. Chan School of Public Health reveals that natural gas used in homes contains varying levels of volatile organic chemicals. The research found that even small amounts of hazardous air pollutants could impact indoor air quality and degrade outdoor air quality when gas leaks occur.
King Abdullah University of Science & Technology (KAUST) researchers have created a new membrane material that separates nitrogen from methane based on their shape difference. This approach reduces purification costs for natural gas by up to 73% compared to existing methods, offering an energy-efficient solution.
A new Imperial analysis found that biogas and biomethane supply chains release more than twice as much methane as previously estimated, with 62% of leaks concentrated in a few 'super-emitters'. The researchers call for better monitoring and fixing of leaks to ensure the continued use of these climate-friendly gases.
Researchers have developed a novel route to transform CH3Cl to acetic acid through carbonylation, achieving high selectivity and efficiency. The study proposes a reaction mechanism involving chemical adsorption, formation of acetyl groups, and hydrolysis.
A research team developed a photocatalyst that boosts the transformation of methane into ethane and hydrogen with high selectivity. The newly constructed photocatalyst enabled durable photocatalytic nonoxidative coupling under mild conditions.
A new study in Northern Sweden found that methane emissions from thawing permafrost can be reduced by a factor of 10 due to changes in hydrology, plant community, and microorganisms. As permafrost thaws, new plant species adapt to drier soil conditions, reducing methane transport and allowing bacteria to break it down.
Researchers investigated the impact of seasonal variations in methanogenic and methanotrophic communities on CH4 emissions in wetlands. They identified a keystone species that plays a pivotal role in mediating CH4 fluxes, providing substantial evidence for understanding microbial driving mechanisms.
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 studied acoustic characteristics of gas-liquid-solid linkage in CBM reservoirs, analyzing P-wave and S-wave response to fluid saturation under different coal rank conditions. The study found that the relative anisotropy increased with water saturation, suggesting stronger acoustic anisotropy in tectonic coals.
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 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.
Colorado State University researchers have developed a system that creates renewable energy while diverting waste from landfills, producing valuable products like sustainable aviation fuel and cleaning solvents. The ReSOURCE system can offset the carbon dioxide equivalent of 6.2 million cars a year.
Methane may be the first detectable indication of life beyond Earth, according to a new study that establishes conditions for biological activity. The researchers found that atmospheric methane is more likely to be considered a strong indication of life if it co-exists with carbon dioxide and lacks carbon monoxide.
A Stanford-led study found that methane leaks in the Permian Basin of New Mexico are several times greater than federal estimates, with over 9% of production being leaked. The researchers used airborne sensors to detect leaks and identified super-emitters responsible for the majority of emissions.
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 Northwestern University discovered key structures controlling methane conversion in methane-eating bacteria, enabling potential human-made biological catalysts. The findings may lead to biotechnological applications such as harnessing methane from fracking sites or cleaning up oil spills.
A new study finds that immediate action to reduce methane emissions could preserve Arctic summer sea ice through 2100, with drastic cuts in CO2 also necessary. The chances of saving summer sea ice increase from nearly zero without action to over 80% if net zero CO2 emissions are reached by 2050.
An international research team analyzed the microbial community living on the carapaces of deep-sea squat lobsters, finding a diverse microbiome that likely provides benefits to both organisms. The microbes utilize energy-rich chemical compounds, while the squat lobsters may use them as a source of nutrients or have them remove toxic s...
A study led by Frank Keppler and Ilka Bischofs reveals that all organisms release methane, with the process driven by reactive oxygen species. The researchers verified this finding in over 30 model organisms, including bacteria, archaea, yeasts, plant cells, and human cell lines.
A new study using K-Lander observatory technology reveals high variability in methane release from Arctic seabed sites, with implications for estimating global methane budgets. The long-term data series provides valuable insights into short-term and seasonal variations of methane emissions.
A new study by Imperial College London reveals that London is releasing more methane than previously thought, primarily due to natural gas infrastructure leaks. The findings suggest that upgrading leaky pipes could significantly reduce emissions. This research highlights the importance of atmospheric measurements in tracking progress t...
Researchers from Texas A&M University have discovered past methane release in the Southern Ocean during a peak glaciation 23 million years ago. This finding suggests that ancient methane gas hydrates could contribute to ocean acidification and low oxygen levels, similar to recent environmental issues in the Gulf of Mexico.
Seagrasses form methane from methylated compounds, which persist in plant tissue for decades, contributing to greenhouse gas emissions. Methane production is highly efficient and robust against environmental stresses in seagrass meadows.
Researchers at CSU are developing a system to recapture and burn crankcase ventilation gas, reducing methane emissions by over 75%. The project partners with Caterpillar to test their engine and design the system, which aims to solve a significant industry problem.
A new Stanford University study reveals that using a 100-year timeframe underestimates methane's importance in achieving Paris Agreement climate goals by up to 87%. The researchers propose using a 24-year timeframe instead, which would ensure emissions of methane are weighted correctly over the time period before temperature thresholds...
A recent study by Kayrros and French Climate and Environmental Science Laboratory (LSCE) provides the first statistical characterization of methane ultra-emitters from oil and gas activities. The study detects approximately 1,800 ultra-emitters, which account for a significant portion of global methane emissions.
Researchers have developed a new nanocatalyst for the dry reforming of methane, overcoming coking resistance with its confined core-shell structure. The catalyst's superior carbon resistance is attributed to the confinement and electron transfer between In and Ni.
A University of Washington team has discovered 349 methane gas plumes bubbling up from the seafloor in Puget Sound. The bubbles are likely connected to underlying geology and may be a natural source of methane, rather than human activity.
Researchers have found that special treatment of minerals called zeolites can efficiently remove methane from the air, with advantages over other methods. The process converts methane into carbon dioxide, which is less impactful in the atmosphere than methane.
A new study confirms that emissions from anthropogenic sources, including agriculture, landfill/waste, and fossil fuel industry, are the driver for the renewed rise of potent greenhouse gas since 2007. Global wetlands play a minor role with less than 20% contribution to atmospheric methane.
Researchers have successfully cultivated an archaeon called Methanoliparia from an oil production facility, which can convert oil into methane and carbon dioxide on its own. The microbe's unique genetic make-up gives it the ability to break down various hydrocarbons and activate enzymes that produce methane.
Researchers from Japan have developed a new method to synthesize a pure Si-CHA membrane showing much higher CO2 separation performance than existing membranes. The key to this achievement is using a porous silica substrate instead of alumina, eliminating problems with pore size reduction and improving efficiency.
Researchers successfully reproduced the formation of methane from diamonds under high-pressure conditions, shedding light on the deep Earth's carbon cycle. This finding suggests that hydrocarbons like methane can be created without biological activities, which has significant implications for our understanding of the planet's climate.
Researchers at Iowa State University have developed a catalyst technology that converts methane into ethane and ethylene with high efficiency and selectivity. The new technology uses platinum-based MXene structures to break down methane bonds, producing valuable chemicals without emitting the most abundant greenhouse gas, carbon dioxide.
A previously unknown source of the potent greenhouse gas nitrous oxide has been found in East Siberian Yedoma permafrost. The discovery highlights the significance of thawing permafrost as a globally important positive feedback to climate change.
Research reveals that tree root systems are a significant source of methane emissions in wetland areas, including the Amazon basin. The study suggests that existing models may be underestimating methane emissions by neglecting the role of trees.
Researchers at UNM are working on a DOE-funded project to develop low-cost sensors for detecting natural gas pipeline leaks. The sensors can quantify methane concentrations and identify sources of emissions, helping to pinpoint the origin of methane emissions in the US.
A new process converts potent greenhouse gas methane into protein-rich fishmeal, a potential solution for global food security. The analysis found production costs involving methane from certain US sources are lower than conventional fishmeal prices, with feasible cost reductions possible using other methane sources.
Researchers have developed a highly active and stable nickel-carbon catalyst for the light-driven methanation of CO2, converting it into methane with high efficiency. The new catalyst, named Ni@C, demonstrated a high rate of conversion and selectivity under artificial UV, visible, and IR light.
A new study using methane stable isotopes and thousands of emissions scenarios confirms that agricultural emissions are the primary driver of atmospheric methane increases. Human activities account for 60% of global methane emissions, with significant contributions from agriculture, landfills, and oil and gas industries.
Researchers tracked methane emissions from the region's 10,000 oil and gas wells, finding that they fell by half between 2015 and 2020. Despite this decline, methane leaks remained high, accounting for about six to eight percent of produced natural gas.
A team of researchers found that microbes are responsible for the formation and production of methane in coal deposits. They analyzed methoxyl groups in coal samples from around the world and used stable isotopes to show that organic material becomes coal through microbial action, contradicting traditional geochemical understanding.
A team at Brookhaven National Laboratory has identified a common industrial catalyst that can efficiently convert methane to methanol with or without water. The findings suggest strategies for improving the water-free conversion, achieving 30% selectivity in the absence of water, and 80% selectivity with water.