Articles tagged with Methane
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Researchers found that ponds sequester 65-87% of the total carbon burial rate in lakes, but are net emitters due to methane release. Managing nutrient levels and using underwater circulators can help reduce methane emissions.
Researchers at Nagoya University have developed an enzyme that can convert methane into methanol at room temperature in water. This technology has the potential to reduce the carbon footprint of natural gas and could be used to convert other hydrocarbons, offering a low-energy and environmentally friendly solution.
This study investigates the consistency of greenhouse gas concentrations obtained from the GOSAT and GOSAT-2 satellites, focusing on CO2 and CH4 retrieval algorithms and validation. The analysis reveals systematic differences in concentration data between satellites that vary temporally and spatially.
A recent study reveals Arctic soil methane uptake may be greater than previously believed. Methane consumption increases under dry conditions and with labile carbon substrates' availability. High-latitude warming affects atmospheric methane uptake to a lesser extent than associated large-scale drying.
A joint research team from City University of Hong Kong and collaborators developed a stable artificial photocatalytic system that mimics natural chloroplasts to convert carbon dioxide into methane, a valuable fuel, very efficiently using light. The new system achieved a highly efficient solar-to-fuel efficiency rate of 15%, surpassing...
Researchers found that hydrothermal vents were active at shallow depths, releasing larger quantities of methane and carbon dioxide into the atmosphere. This discovery has significant implications for understanding past climate warming events.
A new study by Simon Fraser University researchers highlights the urgent need for immediate methane emission reductions to meet global climate change goals. Delaying efforts will increase the risk of exceeding the 2°C temperature limit, even if CO2 emissions are reduced to net-zero.
Researchers have developed a single-atom catalyst that efficiently removes methane from engine exhaust at low temperatures, even when the engine is starting. The catalyst uses every atom of precious metals and maintains reaction stability at higher temperatures.
Researchers have developed a new catalyst that can remove up to 90% of unburned methane from natural-gas engine exhaust at low temperatures, addressing a significant source of greenhouse gas emissions. The breakthrough could lead to lower exhaust emissions and mitigate global warming.
Researchers at KAUST studied the use of high voltages to control charged particles in flames, which could lead to improved flame stability and reduced soot formation. The team developed a simulation to understand this phenomenon and tested its predictions by studying a flame inside a cavity exposed to electric fields of up to 2,500 volts.
Researchers have discovered that adding the tropical alga Asparagopsis taxiformis, also known as red sea plume, to cow feces significantly reduces methane production by 44%. The study suggests that this approach could be a promising natural method for reducing greenhouse gas emissions from manure.
New research reveals that shrinking Arctic glaciers are exposing groundwater springs releasing large amounts of methane, a potent greenhouse gas. Methane emissions from glacial groundwater springs across Svalbard could exceed 2,000 tonnes per year, posing significant threat to global warming.
Researchers have discovered that breeding high-yielding rice hybrids with lower methane emissions can help farmers achieve food security without significantly increasing emissions. The study highlights the potential for low-emission rice production systems to mitigate methane emissions in Latin America and the Caribbean.
Surrey researchers have made significant breakthroughs in capturing and converting carbon dioxide into useful products. The team's switchable DFM, 'NiRuNa/CeAl', captures CO2 in three chemical reactions: methanation, reverse water-gas shift, and dry reforming of methane.
The new VOLT Center aims to understand the interactions between organisms, environment, and atmosphere regarding volatile organic compounds (VOCs), which influence global climate. Researchers will study the production, consumption, and effects of VOCs from various organisms, including bacteria, plankton, and plants.
Researchers discovered a methanogen that converts sulfate into a cellular building block, reassembling a metabolic pathway piece by piece. The microbe assembled the first sulfate assimilation pathway from a methanogen, using genetic tricks to overcome energetic costs and toxic intermediates.
Scientists discover hydrothermal deposits at a 5.7 km depth in the Japan Trench, indicating low-temperature hydrothermal activity and elevated CO2 and methane levels. The findings highlight the need for further studies on petit-spot volcanoes and their potential impact on global biogeochemical cycles.
Researchers have visualized the C-H bond breakage in alkanes using X-ray light, revealing the role of metal catalysts. The study solves a 40-year-old mystery and provides new insights into catalyst performance. Scientists hope to direct electron flow to develop better catalysts for the chemical industry.
A new catalyst converts methane into formaldehyde using sunlight, achieving nearly 100% selectivity and high conversion efficiency. The synergy of copper and tungsten atomic species enhances the overall efficiency and selectivity of the process.
Researchers at Penn State discovered that coal can act as a geological hydrogen battery, storing hydrogen for future use. The team found that coal's unique structure and properties make it an ideal material for hydrogen storage, with low-volatile bituminous coal performing best in tests.
Scientists at Berkeley Lab develop an ultrafast x-ray imaging technique to study the distortions of a methane molecule after absorbing light. The research provides insights into how molecules react to light and can be useful for developing new methods to control chemical reactions.
A new review of research suggests that applying biochar to agricultural fields can reduce greenhouse gas emissions, particularly nitrous oxide and methane. The study found that biochar can store carbon in stable forms for thousands of years, making it a promising technology for achieving negative emissions.
Only 13% of global methane emissions are regulated, despite causing at least 25% of current global warming. The lack of regulation and clarity must be urgently addressed to meet global climate targets, with a consistent approach worldwide needed to drastically reduce global warming levels.
Current global methane emissions policies are inadequate, covering only 13% of emissions, and are often based on inaccurate data. Stronger social support and political consensus are needed for effective methane mitigation to slow down climate change and improve air quality.
A new study found that air pollution from the oil and gas sector has substantial adverse impacts on air quality and human health, resulting in 7,500 excess deaths, 410,000 asthma attacks, and $77 billion in annual health costs. The pollutants nitrogen oxide, fine particulate matter, and ozone from U.S. oil and gas production were respo...
A study by University of Cologne researchers found that 25-35% of permafrost's organic carbon is bound to mineral particles, making it harder for microorganisms to utilize. This complex binding process affects the release of greenhouse gases from thawing permafrost.
The updated analysis method increases CO2 concentration data availability by 13% while improving accuracy over land. However, it decreases ocean data due to negative biases, requiring bias correction in the V03.05 product.
A new detection technique reveals that megafires emit significantly more methane than previously thought, posing challenges to California's climate goals. Researchers used remote sensing to measure methane emissions from wildfires, finding nearly 20 gigagrams of methane emitted by a single fire.
A Princeton University team has developed a method to detect and quantify greenhouse gas leaks using drones and lasers. The approach localizes emissions sources to within a meter and can be used to spot leaks in hard-to-access areas.
Recent advances in catalytic methane oxidation via thermocatalysis and photocatalysis demonstrate promising results for environmental remediation. The development of efficient catalysts, improved reactor designs, and fundamental studies on surface chemistry are key findings.
Researchers found a 40% reduction in ammonia emissions and a two-thirds decrease in methane emissions by acidifying slurry with sulfuric acid. The method also improves fertilization and could be optimized to achieve even higher reductions.
Researchers at USTC create efficient photocatalytic methane halogenation technology to convert methane into valuable chemical products like methanol and pharmaceutical intermediates. The breakthrough technology uses only light, methane, and seawater, making it a promising solution for sustainable energy utilization.
The new dataset provides a 'ranking' of countries contributing most to global warming, with CO2 emissions driving the most warming. Countries like Brazil and Indonesia are rising in their contribution, while industrialised nations see slight declines.
The project, STEAM TANKS, aims to measure methane and other volatile organic compounds emitted from liquid storage tanks in West Virginia, Pennsylvania, and Ohio. The researchers will use mobile laboratories, machine learning methods, and partner with industry leaders to develop solutions to mitigate methane emissions.
Researchers developed a new method to monitor methane releases in deep-sea sediments, showing that small-scale dissociation events are occurring more often than previously detected. Fossils of benthic foraminifera from the order Miliolida have been found to record these smaller-scale events.
New research reveals methane traps heat in the atmosphere but also creates cooling clouds that offset 30% of the heat. Methane absorbs both longwave and shortwave energy, leading to a slight cooling effect.
Research found methane emissions from urban areas are underestimated by a factor of three to four, with untreated wastewater contributing to global methane emissions. Improving wastewater treatment could cut up to 6% of total worldwide methane emissions.
Researchers from Princeton University found that hydrogen emissions can lead to an increase in atmospheric methane, canceling out climate benefits. They identified thresholds for managing hydrogen emissions to avoid this consequence.
Researchers found that petroleum production from Platform Holly reduced methane seepage into the waters, confirming earlier regional studies. The study suggests harnessing gas could reduce greenhouse gas emissions from the South Ellwood Oil Field.
A study by the University of Bonn has confirmed a significant reduction of methane emissions in slurry by 99% using calcium cyanamide, a long-standing fertilizer. This additive suppresses microbial degradation processes, resulting in lower greenhouse gas production during long-term storage.
New research reveals that municipal wastewater treatment plants release significantly more methane into the atmosphere than previously estimated. The findings suggest that existing guidelines underestimate emissions equivalent to 5.3 million metric tons of carbon dioxide. Anaerobic digesters, used in some facilities, are particularly s...
Researchers found that the Paleocene-Eocene Thermal Maximum, a 5-8°C warming event, was caused by high carbon dioxide and methane levels. The team's study provides new insights into sedimentary systems and the impact of seasonal changes on ocean turbidity.
Researchers discovered a microbial culture from baby kangaroo feces that can inhibit methane production in cow stomach simulators, replacing it with beneficial acetic acid. This innovation has the potential to mitigate greenhouse gas emissions and improve cow health.
Researchers produced biogas from apple pomace, reducing greenhouse gas emissions and generating electricity and heat. The bioenergy recovery can supply 19% of the anaerobic reactor's energy needs, contributing to public policy and cutting fossil fuel consumption.
Researchers discovered that certain microorganisms dominate burned soil after a wildfire, with some species increasing in abundance and others consuming charcoal. This finding could help revive megafire dead zones and provide insights into the human microbiome's response to stress.
A recent study reveals that the UK severely underestimates its greenhouse gas emissions from offshore oil and gas production by as much as five times. The researchers suggest alternative methods for calculating methane emissions, which could also apply to other countries.
Researchers at the Max Planck Institute for Marine Microbiology reveal how a specific enzyme, Fsr, converts sulfite into sulfide, allowing methanogens to grow safely on toxic substances. This discovery opens opportunities for biotechnological applications and provides insights into the evolution of these microorganisms.
Researchers discovered that methanotroph Methylococcus capsulatus Bath can grow in the presence of small amounts of H2S using an enzyme switch. The study found that at 0.75% H2S concentration, bacteria switch from mxaF to xoxF, increasing methane consumption and mitigating greenhouse effects.
A new study from Stockholm University found that bladderwrack in the Baltic Sea emits significant amounts of methane, which can offset the uptake of atmospheric carbon dioxide by these algae. The study measured greenhouse gas fluxes over several seasons and found that macroalgae habitats are net carbon sinks.
A new study suggests that an orbiting space probe could provide definitive answers about the presence of life on Enceladus' ocean. The team mapped out how a hypothetical mission could gather data from the moon's plumes, which are thought to contain organic molecules and methane.
The Inflation Reduction Act offers significant benefits for public health through its tax credits and financial incentives. The law aims to reduce the adverse health effects of climate change by targeting greenhouse gases, conventional air pollutants, and carcinogenic chemical contaminants. By providing a more politically feasible appr...
The researchers investigated the ignition of methane-air mixtures using a detailed reaction kinetics model. They identified five domains with different sets of chemical reactions leading to methane ignition. This knowledge can help increase efficiency and reduce environmental impact in heating and power generation.
Researchers at USTC found that aerating O2 into the semiconductor reaction system improves H2O2 utilization and converts methane to liquid-phase oxygenates. The adsorption of O2 inhibits H2O2 adsorption, suppressing side reactions.
A KAUST research team studied the interaction between nitrogen gas and hydrocarbons in oil reservoirs. They found a direct correlation between nitrogen solubility and oil swelling, enhancing oil recovery. The study also sheds light on CO2 storage with impurities like methane and nitrogen.
Researchers identified methane inhibitors and dietary changes that can decrease emissions with no negative effect on milk production. Increasing digestible forage intake or using the red macroalga Asparagopsis taxiformis may also be effective mitigation strategies.
Scientists have successfully grown a heat-loving methanogen that can fix nitrogen while producing methane, a process that could lead to more efficient fertilizer and biofuel production. The microbe, Methanothermococcus thermolithotrophicus, uses a unique metabolism to acquire energy from methaneogenesis.
A new project at Aarhus University aims to develop Denmark's first reactor for carbon-negative hydrogen production from biogas using catalytic pyrolysis. The technology converts captured CO2 into solid form while producing hydrogen, reducing energy consumption by one-fifth compared to green hydrogen production.
A new study has found that soil moisture content is the main factor controlling how far and at what concentration natural gas spreads from a leaked pipeline underground. The research team looked at over 300 soil samples and found that methane gas leaking from a pipeline does not spread as far when the soil moisture content increases.
Researchers discovered Borgs, DNA packages that supercharge methane-eating microbes' metabolic rate. These genetic elements play a role in balancing atmospheric methane levels by encoding cellular machinery for methane consumption.
New research from the University of Rochester and others finds that ocean methane hydrate reservoirs in mid-latitude regions will not be released to the atmosphere under warming conditions. This means that ancient methane is being stored safely on the seafloor, reducing concerns about climate change.