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USTC finds γ rays drive the conversion of aqueous-phase methane to complex organic molecules including glycine

A research group at USTC found that γ rays can facilitate the conversion of aqueous-phase methane to diverse products, including hydrocarbons, oxygenated compounds, and amino acids like glycine. The reaction rate is contingent on free radical concentrations and does not significantly influence temperature.

SourceUniversity of Science and Technology of China·JournalAngewandte Chemie International Edition·TypeExperimental study·DateNov 26, 2024

A study by the LARS-IIAMA UPV group detects methane emissions in the palm oil industry in Indonesia, Malaysia and Colombia

A team of researchers from the LARS-IIAMA group used satellite technology to detect methane emissions in the palm oil industry in Indonesia, Malaysia, and Colombia. The study confirms that palm oil processing is a significant source of methane emissions, mainly due to anaerobic ponds.

SourceUniversitat Politècnica de València·JournalEnvironmental Research Letters·TypeMeta-analysis·DateNov 25, 2024

Turning carbon emissions into methane fuel

Chemists at Ohio State University have developed a novel way to capture and convert carbon dioxide into methane, utilizing nickel-based catalysts and reducing the need for massive amounts of energy. This breakthrough could pave the way for more efficient climate mitigation technologies and help close the carbon cycle.

SourceOhio State University·JournalJournal of the American Chemical Society·TypeExperimental study·DateNov 20, 2024

Ytterbium thin-disk lasers pave the way for sensitive detection of atmospheric pollutants

Researchers at the Max Planck Institute for the Science of Light create a novel laser system that can detect a wide variety of atmospheric compounds with minimal interference. The system's ability to target the short-wave infrared range and generate high-power, stable pulses enables unprecedented detection sensitivity and accuracy.

SourceMax Planck Institute for the Science of Light·JournalAPL Photonics·TypeExperimental study·DateNov 18, 2024

Interstellar methane as progenitor of amino acids?

Research finds that gamma radiation can convert methane into glycine and other complex molecules, potentially playing a role in the origin of life. The study also reveals new strategies for industrial conversion of methane under mild conditions.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateNov 6, 2024

Data-driven, cost-effective roadmap for cutting US methane emissions 30% by 2030 published in a new peer-reviewed paper

A new paper assesses current and potential measures to cut US methane emissions in the oil and gas sector, proposing a complimentary, cost-effective strategy using anaerobic digestion (AD) of organic waste. Building ADs could reduce emissions by 31.5%, exceeding the 30x30 goal.

SourceEnergy Vision·JournalBiofuels Bioproducts and Biorefining·TypeSystematic review·DateOct 30, 2024

Climate change can alter methane emission and uptake in the Amazon

Researchers found that extreme temperatures and humidity projected for the Amazon under climate change may increase methane-producing microorganisms in flooded areas and reduce methane uptake in upland forests by 70%. This could lead to a shift in the balance of greenhouse gas emissions, with significant global impacts.

Liquefied natural gas carbon footprint is worse than coal

A new study by Cornell University finds that liquefied natural gas (LNG) exported from the US has a one-third larger carbon footprint than coal when considering processing and shipping. LNG's extraction, processing, transportation, and storage account for approximately half of its total greenhouse gas footprint.

SourceCornell University·JournalEnergy Science & Engineering·DateOct 3, 2024

Methane emissions are rising faster than ever

Global methane emissions have risen by 61 million tons over the past two decades, primarily from coal mining, oil and gas production, and cattle ranching. Human activities are increasingly linked to wetland and freshwater methane emissions, posing a significant threat to climate change.

SourceStanford University·JournalEnvironmental Research Letters·DateSep 10, 2024

A taste for carbon dioxide

Researchers discovered that the iron nitrogenase can convert CO2 into methane and formic acid, making it a promising starting point for developing novel CO2 reductases. The enzyme's low selectivity for CO2 also suggests its potential for widespread use in nature.

SourceMax-Planck-Gesellschaft·JournalScience Advances·TypeExperimental study·DateAug 14, 2024

A study led by the Universitat Politècnica de València detects the largest methane leak ever recorded in an oil well

An international team of scientists led by Dr Luis Guanter has documented the largest methane leak ever recorded in an oil well. The study reveals that this massive emission outperformed previous events such as Aliso Canyon, Ohio and Louisiana, releasing approximately 131 tonnes of methane into the atmosphere.

SourceUniversitat Politècnica de València·JournalEnvironmental Science & Technology Letters·TypeObservational study·DateJul 17, 2024

Much of the Nord Stream gas remained in the sea

A scientific study published in Scientific Reports found that much of the methane released from the Nord Stream gas pipeline leaked into the Baltic Sea and remained dissolved in the water. The researchers estimated between 10,000 to 50,000 tonnes of methane were left in the sea after the leak.

SourceUniversity of Gothenburg·JournalScientific Reports·TypeObservational study·DateJun 19, 2024

Transition-metal-free zeolite catalyst for direct conversion of methane to methanol

Researchers have discovered a novel transition-metal-free aluminosilicate ferrierite zeolite catalyst that enables direct conversion of methane to methanol. The new process achieves 305 π mol gˑ minǘ methanol production rate with high selectivity, presenting an environmentally friendly solution for converting greenhouse gases into valu...

SourceTokyo Institute of Technology·JournalJournal of the American Chemical Society·DateJun 3, 2024

Unlocking the secrets of supercritical fluids

A team of international researchers has measured the molecular diffusion coefficient of a supercritical fluid, revealing a gradual transition from gas-like to liquid-like behavior across the Widom line. This study contributes to our understanding of supercritical fluid dynamics and holds implications for planetary science.

SourceInstitut Laue-Langevin·JournalNature Communications·TypeExperimental study·DateMay 22, 2024

A novel multifunctional catalyst turns methane into valuable hydrocarbons

A novel multifunctional catalyst has been developed to convert methane into valuable hydrocarbons, reducing greenhouse gas emissions and energy consumption. The catalyst's spatial distribution of Cu and acid sites determines the final products, with uniform distribution leading to stable and efficient methanol production.

SourceTokyo Institute of Technology·JournalNature Communications·TypeExperimental study·DateMay 15, 2024

Check and checkmethane

A research team at Kyoto University has developed an AI method to automatically detect methane emissions globally, resolving trade-offs with existing detection methods. The system can identify small methane plumes, paving the way for systematic quantification of global warming.

SourceKyoto University·JournalNature Communications·TypeData/statistical analysis·DateMay 14, 2024

Methane emissions from landfill could be turned into sustainable jet fuel in plasma chemistry leap

University of Sydney researchers have developed a chemical process using plasma that could create sustainable jet fuel from methane gas emitted from landfills. This process has the potential to eliminate the need for traditional and sustainable jet fuels, which add further emissions into the atmosphere. By capturing almost the exact co...

SourceUniversity of Sydney·JournalJournal of the American Chemical Society·TypeExperimental study·DateApr 30, 2024

Researchers modulate electronic state of single-atom catalysts by CO molecular decoration for efficient methane conversion

Scientists develop strategy to regulate electronic structure of single-atom catalysts, enhancing direct methane conversion efficiency. CO molecular decoration reduces C-H bond dissociation barrier, increasing catalyst activity and selectivity.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalAngewandte Chemie International Edition·TypeCommentary/editorial·DateMar 26, 2024

New research finds boreal arctic wetlands are producing more methane over time

Scientists have developed a new model to accurately understand methane emissions in the region, finding that wetlands are producing more methane over time. This is due to the warming of these biomes, causing the stored carbon to be released into the atmosphere as methane, contributing to global warming.

SourceUniversity of Wisconsin-Madison·JournalNature Climate Change·TypeData/statistical analysis·DateMar 18, 2024

AI analysis of historical satellite images show USSR collapse in 1990s increased methane emissions, despite lower oil and gas production

Research using historical satellite images shows that methane emissions in Turkmenistan increased following the Soviet Union's collapse, contradicting previous theories. This finding suggests that economic decline led to reduced oversight and more deliberate off-gassing of methane from oil and gas wells.

SourceUniversity of Washington·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateMar 12, 2024

Young researcher makes surprising methane discovery in Yukon glaciers: "Much more widespread than we thought"

A young researcher from the University of Copenhagen has made a surprising discovery of high concentrations of methane in meltwater from three Canadian mountain glaciers. The findings challenge previous assumptions that methane in meltwater could only be found in oxygen-free environments under large ice masses.

SourceUniversity of Copenhagen - Faculty of Science·JournalArctic Antarctic and Alpine Research·DateFeb 29, 2024

Atmospheric pressure changes could be driving Mars’ elusive methane pulses

Researchers simulated how methane travels through underground fractures and is released into the atmosphere, predicting pulses just before Martian sunrise in the northern summer season. This corroborates previous rover data suggesting daily methane level fluctuations. The study informs the Curiosity rover's ongoing sampling campaign.

SourceDOE/Los Alamos National Laboratory·JournalJournal of Geophysical Research Planets·TypeComputational simulation/modeling·DateJan 24, 2024

Core-shell ‘chemical looping’ boosts efficiency of greener approach to ethylene production

Researchers have developed a new catalyst that exceeds 30% yield for the production of ethylene through oxidative coupling of methane, a more sustainable and economically viable method. The core-shell Li2CO3-coated mixed rare earth oxides catalyst enables sequential oxygen switching, replenishing its ability to provide oxygen for the r...

SourceLehigh University·JournalNature Communications·DateJan 12, 2024