Articles tagged with Carbon Emissions
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A study published in Science found that overestimations of forest preservation in voluntary REDD+ projects result in the generation of millions of worthless carbon credits. The research team calculated that only 6% of these credits are linked to actual reductions in carbon emissions.
Cattle farming expansion and unchecked climate change would expose over 1 billion cows to heat stress, impacting animal welfare and farm income. Cutting carbon emissions rapidly can reduce these impacts by 50-84%, protecting cattle in some regions.
Researchers from The University of Warwick and The University of Manchester have solved the long-standing puzzle of why graphene is permeable to protons. Protons are strongly accelerated around nanoscale wrinkles in perfect graphene crystals, which could lead to more sustainable hydrogen production.
A new study reveals that Pacific coral reefs have increased their thermal tolerance to higher ocean temperatures, reducing the risk of bleaching. This natural adaptation could help reefs withstand climate change if global carbon emissions are cut down.
Researchers have developed a lab-on-a-chip electrochemical testing platform to speed up the production of catalysts for Li-CO2 batteries. The new method enables quick screening of materials, studying reaction mechanisms, and practical applications, potentially contributing to negative emissions technologies.
Researchers developed a fluorinated diamond-like carbon coating that improves heat transfer in steam condensers, allowing for a 2% overall process boost. This innovation could save 460 million tons of CO2 and 2 trillion gallons of water annually if coal and natural gas power generation were just 2% more efficient.
A new study quantifies the climate benefits of enhanced weathering, applying ground-up silicate rock to Midwestern farm fields to capture significant amounts of carbon dioxide. The method reduced net carbon loss to the atmosphere by 42% in maize plots and more than doubled carbon storage in miscanthus plots.
A modeling study suggests the US can achieve deep emissions reductions in the building sector by 91% by 2050, primarily through demand-side measures. This would save over $100 billion per year in energy-related costs while meeting the country's net-zero emissions target.
A paper published in Nature Energy reveals a promising breakthrough in green energy: an electrolyzer device capable of converting carbon dioxide into propane. The device, developed by Illinois Tech assistant professor Mohammad Asadi, is scalable and economically viable.
A new study links US household income to greenhouse gas emissions, revealing that the top 1% of households generate 40% of total emissions. This income-based carbon tax could incentivize decarbonization and provide revenue for climate finance, addressing emissions inequality.
A decade-long study in Tanzania's Eastern Arc Mountains reveals that biodiversity conservation benefits vary widely among groups, with local rural communities bearing substantial costs. International funding could help smallholder farmers boost yields on their existing land to incentivize long-term forest protection.
A new study from the University of Massachusetts Amherst found that the wealthiest 10% of Americans are responsible for 40% of the nation's total greenhouse gas emissions. The study suggests that policymakers adopt taxes focused on shareholders and the carbon intensity of investment incomes to equitably meet climate goals.
A new study suggests that applying crushed volcanic rocks to agricultural fields can draw down 217 gigatons of carbon dioxide, meeting the lower end of the IPCC's 2100 target. The method, called enhanced rock weathering, is more efficient in hot and wet tropical regions and works well in warmer temperatures.
Researchers at USTC have developed a novel catalyst that achieves high electrochemical performance in both neutral and alkaline media. The asymmetric dinitrogen-coordinated nickel single-atomic sites enhance the intrinsic activity of the sites, resulting in a high turnover frequency of over 274,000 site−1 h−1.
The Energy Bootcamp, developed by Oak Ridge National Laboratory, aims to provide hands-on training for industrial plant managers to reduce carbon dioxide emissions. The program offers free software tools, diagnostic equipment, and expert guidance to help manufacturers decarbonize their facilities and improve cost savings.
Researchers found that the proportion of APCD CO2 emissions in CFPPs surged from 0.12% to 1.19% between 2000 and 2020, with desulfurization devices contributing 80% of APCD CO2 emissions. The study proposed measures to enhance APCD energy efficiency and provide low-carbon electricity to tackle this emerging environmental issue.
Researchers develop low-cost, scalable energy storage system using cement and carbon black. The technology facilitates renewable energy sources like solar, wind, and tidal power by providing stable energy networks.
Researchers develop a highly active, precious metal-free catalyst for ammonia decomposition. The new Ni-based catalyst outperforms conventional alternatives at lower temperatures, offering a promising solution for hydrogen production from ammonia.
A study found that consumers value climate-friendly products with direct emission reductions over compensatory measures. Consumers are increasingly aware of the social and environmental consequences of their purchasing decisions, driving demand for eco-friendly products.
A new study by Chapman University scientist Joshua Fisher and colleagues provides insight into the Earth's response to rising temperatures due to climate change. By analyzing landscape-level measurements of temperature and carbon dioxide release, the team found that plants' ability to remove carbon pollution from the atmosphere may not...
New analysis reveals the Arctic island's ice melted for moss, shrubs, and insects around 416,000 years ago, leading to at least five feet of sea-level rise. The findings indicate Greenland's ice sheet is more sensitive to climate change than previously thought.
Researchers have developed a single-atom catalyst that efficiently removes methane from engine exhaust at low temperatures, even when the engine is starting. The catalyst uses every atom of precious metals and maintains reaction stability at higher temperatures.
Researchers at West Virginia University are developing a hydrogen flexible boiler to decarbonize the food and beverage industry. The technology, proposed by Hailin Li, will supply thermal energy by burning clean fuel rather than traditional fossil fuels.
A new study suggests capping the energy use of the top 20% of consumers could reduce carbon emissions by 11.4%. The strategy would allow those with lower incomes to increase their consumption levels, promoting fairness and delivering climate justice.
The study found that adding CO2 to temperate terrestrial exoplanet atmospheres intensifies warming in non-irradiated regions, altering global circulation patterns. This effect is seen on both Earth and the exoplanet TRAPPIST-1e, with implications for habitability and climate research.
The EU climate target 2040 aims to reduce emissions, and ForestPaths suggests using forests and wood products to sequester carbon. The project recommends a holistic approach to consider interactions between forest-based activities, adaptation, and other sectors.
Research found that financial payments by developers to compensate for environmental consequences are insufficient to achieve intended outcomes. Only 0.7 of 13.4 hectares of impacts on koala habitat have been offset through financial payments since 2018, raising concerns about the future of this endangered species.
The EU-funded SUPERVAL project aims to convert post-combustion gases into valuable resources, reducing pollutants while generating chemicals. The technology involves solar-driven electrochemical conversion of CO2 into an organic molecule and transformation of NOx and N2 into ammonia.
Researchers at Oregon State University have developed a new, cost-effective way to capture carbon dioxide from industrial emissions. The method uses a nanomaterial called a metal-organic framework (MOF) that can selectively adsorb CO2 in humid conditions, making it suitable for post-combustion applications.
Researchers have found that industrial sources of nitrous oxide emissions can be readily abated with existing technology. The study suggests that low-cost technologies already exist to reduce nitrous oxide emissions to nearly zero, providing a double benefit for the environment and humanity by also protecting the ozone layer.
A team of researchers from SUTD and A*STAR has developed a quick and energy-efficient technique to produce 2D mica nanosheets, which have shown an 87% higher CO2 adsorption capacity than bulk mica. The nanosheets' high specific surface area and porosity enable effective carbon capture.
Researchers have identified an operational strategy that can reduce shipping emissions by up to a quarter by combining modern sail technology with efficient routing systems. The study found that this approach can provide greater assurances of carbon savings by mitigating the impact of unpredictable weather patterns.
The IMO's current climate targets are insufficient to address the industry's growing CO2 emissions, which now account for 3% of global emissions. The organization lacks the political instruments and resources needed to implement more ambitious goals.
A new electrochemical device developed by Rice University engineers can capture carbon dioxide directly from sources like flue gas to the atmosphere using electricity. The system has efficiency above 98% and requires minimal electricity input, making it a promising front for climate change mitigation.
A new study analyzed coverage of BECCS in 166 newspaper articles to understand public opinion on the energy technology. The research identified eight key storylines, including Pro-BECCS narratives that emphasized its necessity and Revolutionary technology, alongside Anti-BECCS lines that highlighted environmental concerns.
A recent study by Kyoto University has raised concerns about the authenticity of Big Oil's net-zero emissions claims. The research team found that oil majors are not making sufficient progress in phasing out fossil fuels and transitioning to clean energy, despite their pledges to achieve net-zero by 2050.
Researchers review molten salt CO2 electrolysis's process mechanisms, salt selection, and operating conditions to improve current efficiencies. Key challenges include system scaling up, corrosion investigation, and engineering analysis.
Researchers at OU are developing a scalable, integrated sensing platform to detect and monitor methane emissions in the Anadarko Basin. The system aims to help companies identify and mitigate accidental leaks, achieving detection at the meter scale.
A new IIASA-led study investigated the potential of engineered Carbon Dioxide Removal (CDR) technologies, such as Direct Air Capture of CO2 (DACCS), to help bridge the gap between current emissions reductions and ambitious climate goals. The study found that novel CDR can keep pre-Paris climate targets within reach when accounting for ...
Scientists at the University of Cambridge have developed a solar-powered reactor that captures CO2 from industrial processes or directly from the air and converts it into sustainable fuels. The technology also uses plastic waste, converting it into glycolic acid and other valuable chemical products.
Scientists have developed a new catalyst that can convert toxic carbon monoxide into carbon dioxide even at room temperature. By varying the size of the ceria particles, they improved the performance of palladium-based catalysts, increasing reactivity and efficiency.
A new study found that the global food system is responsible for a third of man-made greenhouse gas emissions, with beef and dairy consumption being the largest contributors. The study suggests that adopting a more plant-based diet could help reduce emissions and mitigate climate change.
Researchers develop new approach to quantify respiration and its temperature sensitivity in terrestrial ecosystems. Their findings suggest lower temperature sensitivities than previously thought, but caution that natural components alone cannot mitigate climate change.
A study by University of Zurich researchers found that global warming is accelerating the decomposition of soil humus and affecting plant storage of carbon. The findings have significant implications for relying on soils as a natural carbon sink to tackle global warming.
A decade-long study reveals that warmer temperatures lead to significant loss of organic compounds in deep forest soils, affecting carbon sequestration. This finding has implications for natural carbon sinks and soil management practices.
Researchers found that electric rideshare fleets can significantly reduce greenhouse gas emissions, but may also increase air pollution and traffic problems. The study used real-world data from Chicago to simulate the impacts of electrification.
A study by University of Waterloo researchers reveals that Canada's carbon price regime exposes high-emitting industries to significant default risks, with assets worth $256 billion at risk. Financial lenders must consider carbon emissions in credit risk assessments to mitigate this risk.
Researchers investigated the tradeoff between reducing CO2 emissions and increasing renewable energy supply in office buildings. They found that access to the power grid can mitigate the impact of weather variability, but extreme weather events increase battery storage costs.
Key indicators show human-induced warming reached 1.14°C above pre-industrial levels, with emissions at an all-time high. The analysis calls for policymakers and climate negotiators to access up-to-date scientific evidence to base decisions, as the remaining carbon budget is declining.
Human-induced warming has increased at an 'unprecedented rate' since the last major assessment, with greenhouse gas emissions reaching a record level. The remaining carbon budget has halved over three years, highlighting the urgent need for policymakers and climate experts to access up-to-date scientific evidence.
A national study in Canada found that snowmaking requires 17,000 homes' worth of annual energy and 43.4 million cubic meters of water to produce 42 million cubic meters of machine-made snow. Collaboration between ski operators, policymakers, and environmental organizations is needed to develop sustainable practices.
A Cornell University-led study found that small and shallow ponds emit significant amounts of methane and carbon dioxide, with variability increasing as pond size decreases. The research provides valuable insights into calibrating climate models and informs strategies for mitigating greenhouse gas emissions from inland waterbodies.
A new, energy-efficient approach to removing CO2 directly from air has been developed at Oak Ridge National Laboratory and licensed to Holocene. The technology uses an aqueous solution containing receptors called Bis-iminoguanidine to absorb carbon dioxide, which can then be stored deep underground.
Researchers found that plants allocate a significant amount of carbon to mycorrhizal fungi, equivalent to roughly one-third of carbon emitted yearly by fossil fuels. This discovery highlights the importance of understanding fungal networks in soil ecosystems and their role in mitigating climate change.
A new study suggests that industrialized countries in the Global North could be liable to pay a total of $170 trillion in compensation or reparations by 2050. This amount would be distributed as compensation to low-emitting countries that must decarbonize their economies faster than required, aiming to meet climate change targets.
A new study finds that mycorrhizal fungi store up to 36% of yearly global fossil fuel emissions' carbon, equivalent to roughly 13 gigatons. This vast underground network is essential to both storing carbon and global biodiversity.
Restoring blue carbon ecosystems like seagrasses and mangroves can remove additional carbon from the atmosphere while combating ocean acidity. This process, known as inorganic carbon capture, is potentially more durable than organic carbon burial.
Research suggests that windshield washer fluid is a significant source of vehicle-derived pollutants, including volatile organic compounds (VOCs), which can contribute to ozone formation. The study found that the levels of these non-fuel-derived gases will likely remain unchanged even as drivers transition to electric vehicles.
Scientists at the UK Centre for Ecology & Hydrology are trialling crushed rock dust to remove large amounts of carbon dioxide from the atmosphere. The Enhanced Rock Weathering project has the potential to boost crop yield while reducing greenhouse gas emissions.
University of Houston researchers have created digital applications to enhance energy efficiency, including calculators for hydrocarbon MMP, carbon dioxide MMP, and viscosity. These tools offer significantly higher accuracy than current methods, helping engineers save time and resources.