Articles tagged with Methane Emissions
Researchers found that trees with heart rot disease release more methane than healthy trees, regardless of disease severity. Methane emissions peak in the trunk's center, a finding that challenges previous assumptions about tree health and greenhouse gas cycling.
A combination of weakened atmospheric removal and increased emissions from warming wetlands, rivers, lakes, and agricultural land led to the surge in methane levels. Climate variability amplified methane emissions across interconnected ecosystems, with key contributions from tropical Africa and Southeast Asia.
Rising hydrogen emissions since 1990 have indirectly intensified climate change by consuming natural detergents that destroy methane. Hydrogen's presence in the atmosphere also produces greenhouse gases like ozone and stratospheric water vapor, affecting cloud formation.
Climate researchers have found that temporary carbon removal projects can effectively neutralize the environmental impact of methane emissions. By using these projects to counteract methane's short-term warming, policymakers can make more informed decisions about how to address global warming.
Researchers found that Texas Hollow Pond emitted more than twice the amount of carbon dioxide as Mud Pond, despite being shallower. The team also discovered nearly twice as much methane bubbling up from Mud Pond's sediments.
A recent study at UC Davis has shown that feeding cows red seaweed can dramatically cut the amount of methane produced, with a 60% reduction in emissions. The research identified specific microbes in the cow's gut that help reduce methane production, opening the door to engineering these microbes for a long-term solution.
A new study from Linköping University finds that wastewater treatment plants emit significantly more greenhouse gases than previously thought. Drones measured methane and nitrous oxide emissions at 12 Swedish treatment plants, revealing a significant discrepancy between estimated and actual emissions.
A global synthesis found that genetic variation in crops significantly affects methane emissions, but not nitrous oxide emissions. Selective breeding of crop traits can help balance high yields with lower GHG release.
Research by ETH Zurich reveals human-induced climate change has increased extreme heat wave frequency and severity, with fossil fuel and cement production contributing significantly. The study highlights the responsibility of large carbon emitters, such as oil and gas companies, in exacerbating heat waves.
A Southwest Research Institute-led team has detected methane gas on Makemake using NASA’s James Webb Space Telescope. The discovery suggests that Makemake may have a dynamic atmosphere where methane ice is evolving, indicating activity or tenuous atmosphere.
Methane emissions from global trade have risen by 30% since 1990, driven by rapid industrialization and population growth in Asia and the developing Pacific region. The study calls for targeted sectoral strategies to reduce emissions, including advanced leak detection and improved livestock feed formulations.
Researchers discovered a unique partnership between two microbes that work together as a living electrical network to consume methane, a potent greenhouse gas. The finding sheds light on how microorganisms naturally reduce methane emissions and could lead to innovative strategies to control methane release in various environments.
Researchers at UC Berkeley developed a method to understand the isotope signatures of methane from different environments using CRISPR. This study can change how scientists calculate the contributions of various environmental sources to Earth's total methane budget.
A study by the University of Liège found that clear water ponds in Brussels emit more methane through ebullitive emissions, which are facilitated by macrophytes. This process has significant implications for global climate dynamics, as methane is a powerful greenhouse gas.
Researchers at Chalmers University of Technology discovered that ship traffic triggers large methane emissions in shallow areas, including ports. The study found that cruise and container ships caused the most frequent and largest measured methane releases.
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 used satellite data from GOSAT-2 to estimate methane and carbon monoxide emissions in the world's 40 most populous cities. The analysis revealed significant variations between cities, with Beijing emitting approximately 4.3 times more CO per unit of CO2 compared to Tokyo.
A global-scale inventory of methane emissions from abandoned oil and gas wells has been published, revealing significant risks and opportunities for reduction. The study estimates that AOG wells released approximately 400,000 tonnes of methane in 2022, with potential mitigation through early well-plugging strategies.
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 highlight methane's significant role in climate change and its rapid acceleration. Methane concentrations have risen faster than carbon dioxide over the past five years, with potential for targeted mitigation strategies through real-time monitoring.
New York dairy farms achieve low greenhouse gas emissions by producing high-quality crops and managing manure efficiently. The study provides a regional baseline for dairy farm emissions, offering opportunities for farmers to reduce emissions and increase productivity through sustainable practices.
A new study by Dartmouth researchers lays out a scientific framework for tracing specific climate damages back to emissions from individual fossil fuel companies. The framework combines climate modeling with publicly available emissions data to provide robust emissions-based attributions of climate damages at the corporate scale.
Scientists found that anaerobic microbes in wetlands can remove up to 70% of methane in oxygen-deprived soils, but their ability to do so is threatened by rising temperatures. When scientists simulated a hotter future, methane emissions spiked under hotter temperatures alone.
Researchers at Chalmers University of Technology have discovered heavy methane emissions from Swedish lakes, posing significant environmental concerns. The findings suggest that these lakes may be contributing to the country's overall greenhouse gas emissions.
A new study reveals China's NTEs were significant sources of CH₄ and N₂O emissions between 1980 and 2020, with an accumulated GWP of 5.55 Pg CO₂-equivalent. The net warming effect is primarily driven by N₂O emissions.
A new study finds that global heating could exceed previous estimates, with even low emission scenarios leading to higher temperatures. The Paris Agreement's goal of limiting warming to 2°C may only be achievable under very low emissions and lower-than-estimated climate sensitivity.
Researchers found that restored peatlands with thick Sphagnum moss layers can sequester up to 48 tons of carbon dioxide per hectare, exceeding expectations. This growth is particularly observed in nutrient-poor sites, which could also mitigate methane emissions.
A special issue of the Journal of Dairy Science provides detailed technical recommendations for developing and implementing feed additives to reduce methane emissions from ruminants. The guidelines cover testing, trial, and modeling phases to ensure efficacy and safety.
A new study reveals that rising methane emissions could significantly impact ozone recovery, particularly in polar regions. The research suggests a dual effect of methane, both contributing to global warming and affecting ozone levels.
Researchers at SwRI and U-M have created a new methane flare burner using additive manufacturing and machine learning that eliminates 98% of methane vented during oil production. The burner's design, with a complex nozzle base and impeller, allows for efficient combustion even in challenging crosswind conditions.
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 finds that methane emissions are being underreported by at least 170 million to 3.3 billion tons of carbon over a decade, depending on the metric used. Companies may have underestimated their carbon footprint by as much as the annual carbon emissions of the UK in 2022.
A new study finds that reducing sulphur in the air can lead to increased natural emissions of methane from wetlands, pushing emissions higher. The study suggests that current targets to reduce human-caused methane emissions need to be more stringent.
A two-year study found that anthropogenic activities significantly impact methane and nitrous oxide levels in the Pearl River Estuary. Seasonal variations also play a role, with reduced concentrations observed during COVID-19 lockdowns.
Scientists have identified chemical compounds released by rice roots that determine how much methane the plants emit. A new strain of rice was bred using traditional breeding methods, resulting in yields of 8.96 tons/hectare while emitting up to 70% less methane.
Research reveals that coastal waters are hotspots for methane emissions, with tides, seasons, and ocean currents playing key roles in dynamics.
Researchers have developed a Zn-decorated GaN nanowire catalyst that efficiently converts CO2 and H2O into methane and hydrogen peroxide under light irradiation. The catalyst achieves high conversion rates with 93.6% selectivity and maintains activity for over 80 hours, providing a practical solution for sustainable fuel production.
The university aims to improve operational efficiency, manage emissions, and build an inventory of methane emissions through three research projects. The efforts will also support workforce development and improve air quality in local communities.
Researchers from University of Gothenburg and Voice of the Ocean research foundation studied the impact of Nord Stream pipeline explosion on Baltic Sea. They found that methane gas spread to large parts of the southern Baltic Sea, affecting over 14% of the entire sea.
Researchers are using AI to find undocumented orphaned wells across the US, which can leak toxic substances into water sources and contribute to climate change. By analyzing historical topographic maps and modern sensors, they aim to locate and assess these forgotten relics.
A new catalyst converts methane into polymers at room temperature and atmospheric pressure, making it easier to deploy at sites of methane production. The catalyst also enables the creation of sealants to heal cracks in natural gas pipes, potentially reducing methane leakage.
A study validates an independently developed methane emission model for rice paddies, showcasing its advantages over the commonly used emission factor method. The model provides a detailed simulation of methane production and emissions under diverse conditions, enabling more effective mitigation strategies.
Researchers at the University of California, Davis found that feeding grazing beef cattle a seaweed supplement reduced their methane emissions by nearly 40% without affecting health or weight. The study provides a promising approach to make cattle farming more sustainable and play a role in fighting climate change.
A study by the University of Texas at Austin found that most US states with food-waste laws have failed to reduce landfill disposal, except for Massachusetts, which saw a 7.3% decrease in waste. The researchers attribute Massachusetts' success to strong infrastructure and enforcement.
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.
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.
A new NASA-led study finds that the Earth's far northern permafrost region has become a net contributor to global warming due to methane emissions. The thawing permafrost is releasing stored carbon as greenhouse gases, shifting the region from being a sink to a source of warming.
Researchers discovered that Titan's icy surface is warmed by an insulating layer of methane clathrate ice, which relaxes the impact craters' shape. This finding helps explain Titan's unique hydrological cycle and climate.
A new study found that microbes have driven the recent surge in methane emissions between 2020 and 2022, accounting for over 90% of global emissions. This shift challenges previous research suggesting fossil fuels as the primary source of methane growth.
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.
New research reveals methane emissions from slurry stores on dairy farms may be up to five times greater than official statistics suggest. Capturing and converting methane into biogas could reduce emissions and save farmers over £400 million a year in fuel costs.
The Pantanal's soda lakes, characterized by high pH and salinity, have practically dried up due to rising temperatures and wildfires. The study found that certain types of lakes, such as eutrophic turbid lakes, emit methane due to cyanobacterial blooms and decomposing organic matter.
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.
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.
A study has identified key environmental factors affecting methane emissions in tidal wetlands, including salinity and temperature. The analysis allows for more precise estimates of greenhouse gas emissions in these ecosystems, essential for assessing climate implications.
New nutrition strategies could slash methane emissions from dairy cows by a staggering 60%, according to a Journal of Dairy Science review. Diet reformulation, using feed additives like seaweed and 3-NOP, may be key to achieving this goal.
A new plan proposes three critical imperatives to tackle methane emissions: reduce, coordinate, and incentivize. The plan aims to bring down methane emissions, coordinate efforts with carbon dioxide reduction, and incentivize abatement to stop global heating quickly enough.
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 found that high doses of red seaweed reduce methane emissions in cows, but the effect is short-lived. The researchers discovered that the seaweed inhibits methanogenic microbes, leading to a near-total elimination of a key microbe involved in methane formation.
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.