Articles tagged with Greenhouse Gases
Research reveals reservoirs as a substantial yet often unrecognized source of greenhouse gas emission. Dr. Bridget Deemer and her colleagues' findings in BioScience point to the significant environmental impact of dammed waters on the atmosphere.
A comprehensive dataset has been developed to support consumers and catering organizations in calculating the impact of their ingredients and menus on greenhouse gas emissions. The league table ranks food categories from lowest to highest carbon footprint, providing a clear hierarchy for informed decision-making.
The study reveals that wastewater treatment plants emit an overlooked source of carbon dioxide, which could increase global greenhouse gas emissions by 12-23 percent. Treating wastewater sludge with on-site carbon sequestration and renewable energy could help reduce fossil carbon emissions from these plants.
A new study published in Geophysical Research Letters attributes the 2015 West Coast record-low snowpack to unusually high temperatures, not low precipitation. The researchers used a crowd-sourced supercomputer to analyze data and found that greenhouse gases contributed strongly to the risk of snow droughts in Oregon and Washington.
A new study by UC Santa Barbara researchers found that converting lawns to vegetable gardens can reduce greenhouse gas emissions. The study modeled the effect of household gardens on emissions, finding a reduction of 2 kilograms for every kilogram of homegrown vegetables compared to store-bought counterparts.
A new study published in Climate Dynamics suggests that early-onset spring models may indicate a 'nightmare' for agriculture in the affected regions. The analysis of climate model data shows an increased frequency of nearly one in every three years by the end of this century.
A recent study challenges the assumption that biofuels are carbon neutral, finding a net increase in CO2 emissions from their use in the US. The research suggests that crop-based biofuels like corn ethanol and biodiesel offer only modest reductions in greenhouse gas emissions.
A new study finds human activity has been causing global warming since the early stages of the Industrial Revolution. The research suggests that greenhouse gas levels rose in the atmosphere during the 1800s, leading to rapid and measurable warming in tropical oceans and the Arctic.
Scientists warn that tropical cyclones will become stronger as temperatures rise due to a decrease in aerosols. This trend has been masked by air pollution, but is expected to become apparent in the future. Computer models predict an increase in intense storms and coastal flooding.
A recent study found that El Niño climate patterns contributed to the Northeast Pacific's largest marine heatwave on record. The study also suggests that unusually warm water events could become more frequent with rising greenhouse gas levels, disrupting ecosystems and leading to massive die-offs.
A Scripps Institution of Oceanography study found that cloudy storm tracks are moving toward the poles and subtropical dry zones are expanding, consistent with climate model predictions. The research confirms a human-caused increase in greenhouse gas concentrations and exacerbates global warming.
Researchers identified human fingerprint on Indo-Pacific warm pool growth using climate model simulations and fingerprinting technique. Human-induced greenhouse gas increase is the dominant cause of IPWP warming and expansion, with a small contribution from natural climate variability.
A new model predicts that up to 3,331 people could die annually from heat exposure in NYC by the 2080s, but reducing greenhouse gas emissions and adapting measures could save an additional 1,779 lives. Limiting emissions could also reduce heat-related deaths by limiting to moderate greenhouse gas trajectories.
A study by scientists at the National Center for Atmospheric Research predicts that future summers could be hotter than any on record if climate change continues unchecked. However, reducing greenhouse gas emissions could lower the global probability of such extreme heat to 41 percent.
The US healthcare system has significant environmental and health impacts, contributing to greenhouse gas emissions and air pollutants. Researchers estimate 8% of national emissions come from the sector, while healthcare-related emissions linked to respiratory disease, cancer, and acid rain are substantial.
A Midwest bakery's switch to propane from diesel resulted in significant petroleum displacement and greenhouse gas emission reductions. The Alpha Baking Company saved seven cents per mile on fuel costs with the new vehicles.
The OU research team aims to improve understanding of microbial community diversity, structure, and function on greenhouse gas emissions from grasslands and croplands. The project will develop a multi-scale observation and modeling framework to estimate greenhouse gas emissions across landscape scales.
Researchers at Empa combined direct measurements with a transport model to validate statistics on greenhouse gas emissions in Switzerland. The study confirms estimated annual emission of approximately 200,000 tonnes of methane, with livestock farming contributing 70% of emissions.
A comprehensive analysis published in Nature Climate Change estimates that the livestock sector can account for up to half of the global agricultural, forestry and land-use sectors' mitigation potential. The study suggests integrating land use and practice change, dietary patterns and nutrition can help unlock this potential.
A new study by UCLA researchers proposes expanding the use of recycled water to reduce water and energy consumption, lower greenhouse gas emissions, and improve public health. The strategy has potential global applications, particularly in addressing water scarcity and related health issues.
A recent study published in Science confirms that the Aliso Canyon natural gas well blowout was the nation's largest methane release. The event released over 100,000 tons of methane into the air, doubling the rate of methane emissions from the entire Los Angeles Basin.
A study published in the Journal of Industrial Ecology found that consumers are responsible for more than 60% of global greenhouse gas emissions and up to 80% of world water use. Changing consumption habits can significantly reduce environmental impact.
Agriculture technology improvements can cut emissions by up to 50%, but reductions in beef consumption are necessary to meet EU climate targets. Cutting back on beef and increasing poultry and pork consumption can help achieve the targets.
A new study predicts that heat waves could become annual occurrences across 60% of the world's land surface by 2075 if greenhouse gas emissions continue unchecked. However, aggressive emission reductions could significantly reduce the severity of these events, especially for vulnerable populations.
A multi-year regional study at the University of Delaware suggests that home shopping has a greater impact on transportation sector than previously believed. The study found that online shopping leads to increased wear and tear on pavements and higher environmental pollution due to more delivery trucks on the roads.
A new study reveals that countries emitting the least amount of greenhouse gases are most vulnerable to climate change effects such as natural disasters and habitat changes. The highest-emitting nations, however, are less vulnerable despite contributing significantly to global emissions.
A combined carbon and sugar tax in the UK could lead to significant environmental and health benefits, including a reduction in greenhouse gas emissions and an increase in fiber intake. The tax scenarios predicted a decrease in purchases of beef, lamb, and other meats, as well as an increase in consumption of fresh fruits and vegetables.
A new study suggests that continent-scale monsoons will adapt gradually to climate change, with changes in land use and greenhouse gas concentrations prompting adjustments in massive air circulations. Despite predictions of a sudden shift, the researchers argue that monsoon rainfall will change smoothly over time.
New research suggests that reducing beef production in Brazil could lead to higher global greenhouse gas emissions due to the need for farmers to recover degraded pastures and boost cattle productivity. This would potentially lower emissions by storing more carbon in the soil.
New research suggests that increasing UK agricultural yields and restoring natural habitats like forests and wetlands can largely offset the country's greenhouse gas emissions. By 2050, this approach could meet government targets of an 80% reduction in emissions for the farming industry.
A study by VTT Technical Research Centre of Finland finds that global emissions will continue to increase until 2030 unless drastic reductions are carried out. The countries with the most room for improvement are China and India, highlighting the need for more ambitious targets.
New study from CU Denver finds that even low levels of natural gas leakage can make it as damaging as coal for climate change. The research shows a leakage rate of 3.9% over 20 years and 9.1% over 100 years makes natural gas equivalent to coal in terms of greenhouse gas emissions.
The report reveals that renewable energy improves the environment and protects human health by reducing greenhouse gas emissions and pollution. However, it also highlights challenges such as material scarcity, recycling issues, and energy penalties from carbon capture and storage systems.
European climate projections suggest enhanced probability of heatwaves in the coming decades, comparable to the worst heatwave since 1950 in Russia. The analysis shows that previous records were broken in 2010, with a similar heatwave expected at least once in 30 years under certain climate scenarios.
A study published in Science shows that Paris emissions reduction pledges have the potential to limit global warming to 2 degrees Celsius if implemented and followed by measures of equal or greater ambition. Implementing these pledges through 2030 and increasing efforts beyond can greatly reduce the chance of extreme warming.
A new study finds that US wood pellet exports to the EU have a significant environmental advantage over coal, with carbon emissions savings ranging from 74-85%. The research suggests that using agricultural biomass in wood pellet production can further increase these savings.
Adaptive multi-paddock grazing is a potential option to reduce net greenhouse gas emissions on cow-calf operations. This advanced rotational grazing results in more carbon sequestration and produces higher quality grass that reduces methane production.
Scientists found that allocating greenhouse-gas emissions reductions will be key for the outcome of COP21 in Paris. A major economy acting as a forerunner and other nations following can limit warming below 2°C. This approach would require significant efforts from countries like the EU and US.
A University of Vermont study reveals that abandoned oil and gas wells near fracking sites can serve as conduits for methane escape, affecting the debate over proposed EPA regulations. The study's findings suggest that even a small percentage of damaged wellbores can pose an environmental risk.
New studies on shale oil production have found that it generates greenhouse gas emissions at levels comparable to traditional crude oil production. The research analyzed the Eagle Ford and Bakken plays in Texas and North Dakota, respectively, and used a life-cycle model to estimate energy consumption and emissions.
A new study projects a doubling of Antarctic ice shelf surface melting by 2050 and a significant increase in melting by 2100 if greenhouse gas emissions continue to rise. The research highlights the importance of climate policy in mitigating the effects of warming on ice shelves.
Researchers find that using liquid natural gas (LNG) in marine vessels can reduce local air pollution, but its impact on greenhouse gases depends on the fuel supply infrastructure. The study suggests that LNG may be a viable alternative to traditional fuels for shipping companies looking to comply with new regulations.
Researchers have discovered that vertically aligned carbon nanotubes (VACNTs) can be used to capture and store greenhouse gases like carbon dioxide and sulfur dioxide more effectively than traditional adsorption materials. The study found that adjusting the morphological parameters of VACNTs can significantly impact gas adsorption.
The special issue marks the 10th year anniversary of IPCC SRCCS and outlines significant progress made in CO2 Capture and Storage (CCS) in the last decade. The reviews suggest that CCS is now a mature technology, ready for large-scale deployment to combat climate change.
Researchers found that strategic practices can reduce California almond production's carbon footprint, utilizing co-products for renewable power generation. Ideal circumstances could make California almonds carbon-neutral or even carbon-negative through improved orchard biomass utilization.
A University of Oregon researcher found that large-scale organic farming operations are not reducing greenhouse gas emissions, despite being considered a sustainable alternative. The study suggests stricter adherence to sustainability-driven farm practices and increased governmental oversight are needed.
A new study from Lawrence Berkeley National Laboratory found that autonomous taxis could significantly reduce per-mile greenhouse gas emissions, with savings ranging from 63-82% compared to hybrid vehicles and 90% compared to gasoline-powered cars. The use of right-sizing, where the size of the taxi is tailored to each trip's occupancy...
A Michigan State University study found that environmental activism can mitigate the negative impacts of population growth and economic affluence on greenhouse gas emissions. The research, published in Proceedings of the National Academy of Sciences, showed that states with strong green voices tend to have lower emissions.
A new study found that cutting greenhouse gas emissions may increase hunger risks due to indirect effects on food production and biofuel consumption. The researchers conclude that governments must address climate change while providing measures to alleviate hunger.
A new study led by the London School of Hygiene & Tropical Medicine found that making realistic changes to UK diets could have substantial benefits for both health and the environment. The modified diet would contain fewer animal products, more fruit and vegetables, and less savoury snacks.
Researchers at the University of Bristol have resolved an unexplained gap in global emissions reports, finding that developing countries are significantly contributing to the issue. The study used atmospheric measurements and models to evaluate reported HFC emissions and found inconsistencies in reporting, with some gases being over- o...
A recent slowdown in global average temperatures is having no effect on the planet's projected warming by 2100. The study found that long-term temperature outcomes are unaffected by short-term variability, with greenhouse gases expected to overwhelm natural fluctuations and lead to dangerous levels of warming.
Researchers from Poland and the US turn disc fragments into activated carbon with high surface areas, capturing carbon dioxide, hydrogen gas, and benzene. The material could be used for carbon capture applications and separate volatile organic compounds.
A new nationwide data inventory, DARTE, provides a baseline for local efforts to limit carbon dioxide levels by tracking vehicle emissions across the US. The study highlights the need for accurate information to improve greenhouse gas control efforts in cities and suburbs.
A new study by MIT researchers finds that smarter programming of stoplights can reduce delays, improve efficiency, and lower emissions in urban areas. By combining vehicle-level data with city-level traffic patterns, the algorithm produces more accurate predictions and recommendations for optimizing traffic flow.
A new study confirms a positive feedback operating in climate change, where warming amplifies greenhouse gas emissions and additional warming. This is evident from direct analysis of ice-core data, showing that temperature has a profound effect on atmospheric greenhouse gas concentrations.
Researchers at Empa measure first generation of coolants in the Swiss atmosphere, finding a faster decay rate than predecessors. The study highlights environmental concerns related to these substances, including their potential impact on ecosystems and human health.
The presentation focuses on developing novel materials that can prompt reactions in the lab, which could help reduce levels of greenhouse gases. The research aims to mimic nature's chemistry to solve global environmental problems and provide new solutions for industrial applications.
New study finds that farms with lower carbon footprints and higher-producing cows are more profitable, offering a win-win solution for the dairy industry. By increasing milk production, decreasing herd replacement rates, or improving reproductive efficiency, farmers can reduce greenhouse gas emissions while maintaining profitability.
Researchers analyzed changes in climate over several decades, finding that the Earth is now entering a period of faster-than-natural warming. The study suggests that decision-makers need to better prepare for the impacts of climate change by understanding how quickly temperatures will rise.