Articles tagged with Methane Emissions
A new study reveals that Siberian permafrost regions are emitting large amounts of methane, with emissions rising by 12.0 Tg between 2010 and 2023. The increase is driven by climate change, with western Siberia experiencing warmer conditions and eastern Siberia becoming drier, leading to an accelerating growth in methane emissions.
Researchers found that long-term exposure to air pollution is associated with more advanced coronary artery disease, even at moderate levels. The study analyzed data from 11,128 adults and found that exposure to fine particulate matter and nitrogen dioxide increased the risk of coronary artery disease.
Researchers identified tens of millions of small wetlands globally and found they produce a significant impact on methane emissions. Small wetlands have been difficult to detect due to their size, but high-resolution satellite imagery has revealed their substantial contribution to the world's total non-forested wetland emissions.
A new study suggests that temporary carbon storage can play a significant role in climate mitigation, particularly in sectors with persistent methane emissions. The researchers found that neutralizing the climate impact of 1 kilogram of methane requires removing roughly 498 kilograms of CO₂ stored for 20 years.
Researchers discovered that a volcano's eruption can clean up methane pollution by breaking it down into formaldehyde. The phenomenon could potentially be key to slowing global warming and has implications for reducing methane emissions.
Researchers at Adelaide University found that a seaweed-derived compound can significantly reduce methane emissions from beef cattle, with no negative effects on calf growth or development. The study showed strong potential for reducing emissions in real-world farming conditions.
A new study by University of Michigan found that global urban methane emissions have risen 6% since 2019, with C40 cities facing a 30% increase in their emission reduction targets. The discrepancy between satellite measurements and accounting estimates highlights the need for more accurate monitoring and mitigation strategies.
A McGill-led study found that non-producing oil and gas wells emit microbial methane at rates roughly three times higher than earlier estimates. The team collected samples from 401 non-producing wells across Canada and detected traces of microbial methane in over 50% of them.
A new study finds that dairy manure digesters are highly effective in reducing methane emissions from cow manure, with most systems performing well. However, occasional leaks of large magnitude offset the climate benefits, highlighting the need for thorough monitoring and verification.
Research by University of Leeds researchers found that thawing permafrost makes it 25-100 times more permeable, releasing large amounts of greenhouse gases. This could lead to a self-reinforcing process, exacerbating climate change.
A new model developed by MIT scientists suggests that the hydroxyl radical, a key air cleanser, may boost methane breakdown levels due to rising water vapor but also reduce them due to increased biogenic emissions, resulting in a small net gain in its effectiveness.
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.