Articles tagged with Atmospheric Methane
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Recent observations of TRAPPIST-1e, an Earth-sized exoplanet in the habitable zone, reveal hints of methane but raise questions about its atmosphere's existence. Researchers caution that more rigorous studies are needed to determine if the methane is a sign of an atmosphere or stellar contamination.
McGill researchers have found that Montreal's methane emissions are unevenly distributed across the island, with the highest concentrations in the city's east end. The study identified over 3,000 hotspots and found that inactive landfills and natural gas leaks are major contributors to the pollution.
A meta-analysis of 16 studies found that diverse pasturelands have no effect on milk production or methane emissions, but a higher proportion of legumes can promote milk yield. The study suggests that farms should consider the benefits of diverse grassland areas for overall productivity and ecosystem benefits.
Researchers from the University of Maryland tracked lightning storms in real-time using NASA's TEMPO instrument, detecting nitrogen oxide emissions that affect climate and air quality. The study reveals how lightning can produce pollutants that travel long distances, influencing air quality far from the original storm.
The GOSAT-GW satellite has successfully launched with the TANSO-3 sensor, confirming its proper operation. The first observation by TANSO-3 provided spectral absorption data for carbon dioxide, methane, and nitrogen dioxide, enabling the calculation of greenhouse gas concentrations in the atmosphere.
A new study from the University of California, Riverside shows that sealing manure ponds at a Central Valley farm can dramatically reduce atmospheric methane emissions. The researchers found that this method can achieve an 80% reduction in emissions, comparable to California state officials' climate planning estimates.
Researchers at Politecnico di Milano's LCCP have developed a process to transform CO₂ into methane using carefully engineered nickel nanoparticles. The study investigates how the size and shape of nickel nanoparticles influence the rate of carbon dioxide conversion into methane.
A new open-source tool, greenfeedr, is introduced to simplify the process of analyzing GreenFeed data from livestock. The R package offers functions for downloading, processing, and generating reports, allowing researchers and producers to automate routine tasks and gain insights into methane and carbon dioxide emissions.
Researchers discovered that Arctic glaciers are leaking significant amounts of methane through the 'glacial fracking' process. This previously unrecognised process could contribute to Arctic climate feedbacks and accelerate global warming.
A new study suggests that increased wildfire activity was a feature of past periods of abrupt climate change, which also saw significant shifts in tropical rainfall patterns and temperature fluctuations. The research analyzed ancient methane trapped in Antarctic ice and found that the spikes were likely caused by global wildfires.
A new analysis reveals that increased inundation and water storage in wetlands drove the record surge in atmospheric methane emissions from 2020 to 2022. Wetland microbes produce methane as they metabolize organic matter anaerobically, leading to a significant increase in release to the atmosphere.
A new study found that tree bark surfaces absorb methane gas from the atmosphere, making trees 10% more beneficial for climate than previously thought. This discovery adds a new layer of importance to tree planting and reducing deforestation as part of efforts to cut methane emissions.
A new study led by Harvard researchers found that the EPA underestimates methane emissions from landfills and urban areas, with emissions being on median 77% higher than estimated. The team's high-resolution map of methane emissions highlights the importance of pinpointing sources of these emissions.
A new study from the University of Copenhagen reveals that Greenland consumes more methane than it releases, with dry landscapes absorbing over 65,000 tons annually. The study's findings contribute significantly to climate models and provide insights into the optimal soil conditions for methane uptake in the Arctic.
A new study published in Geophysical Research Letters sheds light on methane emissions from Arctic lakes and wetlands. Researchers found that small, unmapped lakes contribute only about 3% of the region's methane emissions, significantly reducing the cumulative amount previously thought to be emitted.
A new study found that Sahara dust can enhance the removal of methane from the atmosphere through a photocatalytic reaction. The reaction involves the activation of mineral dust and sea spray aerosols in the presence of sunlight, producing chlorine atoms that oxidize atmospheric methane and tropospheric ozone.
Carreon is developing technology to capture and convert greenhouse gases into clean-burning fuels using reactors powered by renewable energy sources. Her $538,659 NSF award will support this research over five years.
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 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.
A study using GOSAT observations and surface station data estimates CH4 emissions from natural gas in the NE region, showing a significant increase trend. The model-estimated total CH4 emissions and natural gas leaks constitute a waste of energy and value.
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 reveals that tropical terrestrial methane emissions account for over 80% of the observed changes in global atmospheric methane growth rate between 2010 and 2019. This finding underscores the significant impact of methane on climate change, with methane concentrations more than doubling since the pre-industrial era.
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.
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.
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.
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.
A study links North Atlantic iceberg discharge to increased South American monsoon precipitation, leading to higher global atmospheric methane levels. The research provides new insights into the tropical hydrologic cycle and its implications for climate change.
A new study suggests that hydroxyl radicals, a key component of the atmosphere, are behind unexplained recent increases in methane levels. Fluctuations in hydroxyl concentrations correlate strongly with fluctuations in methane, and changes in hydroxyl availability govern the amount of methane in the atmosphere.
Researchers found that a global methane plateau between 1999 and 2006 was caused by lower industrial emissions, but ended when biogenic sources, such as agriculture, increased. The study suggests that agricultural activity may be a key contributor to the resumed increases in atmospheric methane levels.
Researchers at UCI found that atmospheric methane levels have remained nearly flat for seven years, indicating a possible slowdown in global warming threats. Methane pulses were paralleled by increases in ethane, supporting the theory that biomass burning is a significant source of methane.