Articles tagged with Greenhouse Gases
Climate researchers have discovered a significant increase in neighborhood-level hurricane warnings, widespread wildfires in the US, and unprecedented changes in Earth's energy budget. These findings suggest that greenhouse gases are driving these trends, with smoke and fire-related carbon emissions rising due to increased aridity.
The 36th annual State of the Climate report reveals record highs in greenhouse gas concentrations, global sea level, and ocean heat content. Greenhouse gas concentrations reached a 53% increase from preindustrial levels, with fossil fuel emissions reaching a record high in 2025.
A new study suggests that shifting U.S. agricultural exports from animal feed to animal-derived foods could reduce global nitrogen loss by 38% and greenhouse gas emissions by 17%. The change could also increase U.S. trade revenue by $10.5 billion, while improving nutrient recycling and manure management.
A five-year field study reveals that biochar-amended green roof modules consistently exhibit significantly greater methane uptake than controls across all seasons. Biochar's influence on substrate moisture and water vapor flux enhances methane absorption by creating favorable aerobic microsites for methane-oxidizing microbes.
A new international study reveals that age plays a significant role in shaping global food-related greenhouse gas emissions. The research found that adolescents and young adults consistently have the highest per-capita dietary greenhouse gas emissions globally, while population aging has become an increasingly important driver of total...
Local policies in China's 'Livestock-Free Zones' successfully reduced local carbon emissions, but this achievement was overshadowed by a significantly larger 'policy leakage' effect. A study found that for every unit of carbon reduced locally, approximately 3.14 units of carbon emissions were displaced to neighboring regions.
A comprehensive study has consolidated knowledge on the production of green hydrogen for jet fuel, highlighting its potential to transform the sector. To make it commercially viable, significant research is needed on hydrogen infrastructure needs, refuelling systems, and policy frameworks.
Researchers reconstructed past methane concentrations using clumped isotopes in air from the past, revealing significant changes since industrialization began. The study suggests human activities are disrupting the balance between methane emissions and breakdown, driving rising atmospheric methane concentrations.
Reducing carbon dioxide concentration improves microbial production of biodegradable plastic, such as poly[(R)-3-hydroxybutyrate]. Lower CO2 levels trigger adaptive cellular responses that enhance carbon utilization efficiency.
Researchers found that overlapping yak urine and dung patches produce far less nitrous oxide than expected, contradicting the assumption of additive emissions. The study suggests a balance between two competing processes, preventing emissions from rising as much as expected.
Research from the University of Michigan shows that switching to fuel cells or batteries can reduce lifetime greenhouse gas emissions by up to 90% compared to diesel-powered vehicles. The study found that hydrogen fuel cells and battery electric powertrains offered the largest emissions reductions.
Researchers found that freshwater microbial communities have evolved high-affinity strategies for scavenging scarce resources, enabling efficient methane removal. The study also revealed the importance of dissolved organic compounds in stimulating methane oxidation under certain conditions.
A new study reveals how iron minerals trigger the release of potent greenhouse gases like methane and carbon dioxide from paddy soils during flooding. Microbial communities then drive further decomposition, leading to a net decrease in overall carbon stability.
The Earth's energy imbalance has grown to a record high, driving rapid global warming and its projected increase to 1.5°C in four years. Global greenhouse gas emissions have reached an all-time high, contributing to the acceleration of climate change.
Carbon Research has achieved a new milestone with a 2025 CiteScore Tracker of 19.2, reflecting growing visibility and citation performance. The journal focuses on carbonaceous materials, renewable energy, and greenhouse gases, publishing high-quality research for climate change, sustainable energy, and environmental remediation.
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 projects that climate change will significantly increase the risk of heat-related cardiovascular disease in the US by 2050. The Pacific Northwest and Southern/Midwestern states are expected to experience the highest and steepest increases, respectively. Targeted interventions for vulnerable communities are crucial to mitiga...
Global rice paddy greenhouse gas emissions have doubled to approximately 1.1 billion tons of carbon dioxide annually since the 1960s, driven by area expansion and intensified residue incorporation. Practical farm changes such as optimizing water management and reducing excessive residue return can reduce emissions by about 10 percent w...
Research from Northwest A&F University reveals that different biochars create hotspots of reactive chemicals in soil, increasing nitrous oxide emissions. The study found that the size of particles released by biochar dictates ROS-generating mechanisms, affecting its performance in mitigating greenhouse gases.
A new study used methane isotopologues to trace where recent emissions originate and how they are changing around the world. The study found that human activities, particularly fossil fuel emissions in regions like China and India, are contributing to higher global methane emissions.
Targeted manipulation of quorum sensing (QS) reduces nitrous oxide release by nearly 50%, cuts aeration energy by over 60% and boosts methane production. QS-enhanced gene expression increases direct interspecies electron transfer activity, turning organic waste into methane.
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.
A new randomized clinical trial shows that a low-fat vegan diet reduces greenhouse gas emissions by nearly three times more than a Mediterranean diet. The study also found significant improvements in key cardiometabolic outcomes, with the majority of environmental gains driven by eliminating meat, dairy, and eggs.
A new study published in Current Developments in Nutrition shows that adopting a low-fat vegan diet can rapidly reduce environmental impact while improving metabolic health. The 12-week randomized clinical trial found dramatic reductions in greenhouse gas emissions and cumulative energy demand.
Process water from hydrothermal carbonization contains substantial amounts of nutrients and organic compounds, making it a nutrient-rich resource for crop production and environmental management. Diluting the liquid or using pre-treatment methods can reduce risks associated with its use.
A new catalyst converts carbon dioxide into carbon monoxide under mild conditions, offering a potential path toward future low-energy carbon recycling technologies. The catalyst uses vibrational energy to drive chemical reactions, boasting high efficiency and selectivity for CO conversion.
Researchers at Northwestern University have developed a single-step process to turn methane into methanol without high heat and pressures. The method harnesses tiny bursts of plasma to break the chemical bonds in methane, producing a cleaner-burning fuel for ships and industrial boilers.
A new study highlights China's need for comprehensive greenhouse gas neutrality by 2060, requiring substantial efforts beyond CO2 reduction. The transition demands expansion of carbon capture technologies, improved energy efficiency, and increased renewable energy adoption to achieve zero energy-related CO2 emissions by 2060.
The session discussed the complex relationship between organic carbon inputs and long-term carbon storage in soils. Emerging strategies were presented to optimize organic amendments and enhance both soil function and carbon retention.
A new JACR study suggests radiology departments should optimize use of linens and disposable supplies to reduce environmental impact and costs. The study found that linens (35%) and other single-use supplies (34%) accounted for most of ultrasound's greenhouse gas emissions.
Replacing meat and dairy with plant-based foods reduces greenhouse gas emissions by 35%, equivalent to eliminating 600 miles of driving. A low-fat vegan diet with soybeans also produces major health improvements, including a 92% reduction in severe hot flashes.
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.
A new study reveals that ammonia released from intensive livestock farms can stimulate soil microbial processes that generate nitrous oxide, a powerful greenhouse gas contributing to climate change. The research highlights an overlooked pathway linking livestock pollution to global warming.
Southwest Research Institute has upgraded its facilities to accommodate subsurface safety valve (SSSV) testing for carbon capture and storage (CCS) applications. The upgrades support existing high-quality testing services while enabling efficient testing at extreme temperatures.
A study by UCL researchers found large variations in nitrous oxide use across UK dental services, with some sites emitting up to 1,849 kg CO₂e per week. The team recommends reducing wastage, standardizing practice, and considering alternatives to minimize environmental impact.
A recent study from Norwegian University of Science and Technology suggests that optimizing production in fertile areas while allowing less productive areas to lie fallow can cut greenhouse gas emissions. By doing so, food production can be maintained while reducing pressure on biodiversity by up to 20%.
The University of Washington's STRIVE team will examine the atmosphere where weather forms, while the EDGE team will study the three-dimensional structure of the Earth's surface. These satellite missions aim to provide new insights into temperature, trace gases, and air pollution.
Researchers at Norway's NTNU are using advanced geophysical methods to improve the accuracy of carbon capture and storage site monitoring. A new laboratory equipped with a mock-up of an undersea storage site allows for real-time testing and validation of monitoring techniques. This breakthrough could reduce costs and improve the effici...
A study by Newcastle University found that UK winters are becoming significantly wetter, with a 7% increase in rainfall per degree of global warming, driven by rising temperatures from anthropogenic warming. The experts warn that this trend will continue to worsen, increasing the risk of flooding and economic damages.
A new study suggests that strategic tree planting in Canada's northern forests could remove at least five times the country's annual carbon emissions, totaling around 19 gigatons by 2100. This would be a significant step towards Canada's goal of becoming carbon neutral by 2050 and meeting its commitments under the Paris Climate Agreement.
Researchers have discovered a way to harness methane-eating microbes to produce valuable resources like animal feed, green plastics, and cleaner fuels. These microbes can also remove dissolved methane and nitrite from wastewater, offering a potential solution for reducing greenhouse gas emissions.
Researchers at Jeonbuk National University have developed a new dual-chemical looping process that improves the efficiency of ammonia synthesis by 8.4% and reduces global warming potential by up to 15.85 kg CO2-equivalent per kilogram of ammonia produced.
A modelling study suggests that preventing high blood glucose from turning into type 2 diabetes with lifestyle changes could result in a 67% reduction in greenhouse gas emissions. Well-controlled type 2 diabetes management could cut CO2 emissions by 21%, adding nearly 2 extra years of life.
A new study suggests that current climate actions may not effectively curb global warming acceleration, as aerosol reduction weakens cooling effect. Climate policy assessments need to consider additional climate effects from co-reduced aerosols and their risks.
A new Stanford-led analysis found that companies undercount emissions from their supply chains by billions of tons due to the use of single-region U.S. models. This can lead to missed opportunities to reduce emissions and associated costs by sourcing goods from countries with cleaner grids.
A recent UBC study found that half of the global population needs to change their diets to prevent severe planetary warming. The study suggests that individuals can make simple dietary changes, such as eating only what they need and reducing beef consumption, to reduce food-related greenhouse gas emissions.
A new Danish model reveals that green initiatives in farming can lead to increased greenhouse gas emissions from one aspect of the system, while storing more carbon in the soil over time. The CIRKULÆR model shows that policymakers must consider the entire agricultural system to make informed decisions.
Researchers found significant SF6 emissions in Heilbronn region, amounting to approximately 30 tons per year, and exceeding previous estimates. The study aims to validate bottom-up assessments of emissions by complementing top-down emission estimates.
Websites for COP conferences emit significantly more carbon than average internet pages, with a 13,000% rise in emissions between 1995 and 2024. The team's findings highlight the need to reduce digital footprint through practices such as page size limits, optimized site layouts, and renewable energy hosting.
The study reveals that North America and Europe will experience significant warming (3.7-3.8°C) and drought expansion by the end of the 21st century due to land-air coupling, which amplifies the impact of GHG emissions. If uncontrolled, this could lead to severe climate risks, including reduced Gross Primary Productivity.
Researchers found that nitrogen oxide production is outpaced by consumption, resulting in little emissions from the Black Sea. The study identified microorganisms responsible for the turnover of this potent greenhouse gas, highlighting the importance of further research on nitrous oxide dynamics in marine environments.
Researchers created a practical tool to assess urban fossil fuel carbon dioxide patterns by analyzing radiocarbon in turfgrasses. The method allows cities to gauge the effectiveness of their emission-curbing initiatives and track progress toward decarbonization goals.
A new report published in BioScience reveals Earth's climate crisis is accelerating at an alarming rate, with 22 of 34 planetary vital signs now at record levels. The study emphasizes that climate change mitigation strategies are available and urgently needed to limit warming.
New research shows that near-term mitigation could spare future generations around 0.6 meters of sea-level rise caused by emissions between 2020 and 2090 following current policies. The study provides a direct link between today's policy choices and sea levels hundreds of years from now.
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.
The UK food system is under pressure due to climate change, global shocks, and poor diets. A new report calls for radical transformation in three key areas: more resilient farming, smarter land use, and healthier diets.
A global study found that biochar significantly reduces methane and nitrous oxide emissions in composting, while conserving nitrogen and stabilizing carbon. The optimal amount of biochar added is critical, with 10-20% achieving the strongest reductions.
A study analyzing over 15,000 US treatment plants found that methane and nitrous oxide are the dominant greenhouse gases, exceeding current government estimates by 41%. The researchers identified opportunities for low-hanging-fruit reductions in emissions through fixing leaks and developing new technologies.
A recent study highlights the growing concern of inhaler-related greenhouse gas emissions in the US, which have increased over the past decade. The study suggests that shifting utilization to dry powder and soft mist inhalers could be a key solution to reduce emissions.
A new UCLA Health study found that inhalers for asthma and COPD generate over 2 million metric tons of carbon emissions annually. Metered-dose inhalers account for 98% of emissions due to potent greenhouse gas propellants, while dry and soft powder mist inhalers are less harmful.