Articles tagged with Carbon Dioxide
Researchers have successfully combined electrocatalysis and biocatalysis to produce methanol from carbon dioxide. The hybrid process uses enzymes to catalyze the final steps, achieving high selectivity and efficiency.
Researchers discover surface chemistry unlike other centaurs on Chiron, with carbon dioxide and methane gases in its coma. The findings provide insight into the creation of our Solar System's origins and the unique processes producing Chiron's surface composition.
A breakthrough in electrochemical CO2 reduction processes has been achieved through ligand engineering of copper nanoclusters. The study reveals that variations in intercluster interactions significantly impact the stability and selectivity of these nanoclusters, leading to more efficient carbon conversion technologies.
A German Research Foundation-funded project led by Stefan Mecking aims to quantify the biodegradation of polyethylene. The team develops methods to distinguish carbon dioxide from plastic and investigate factors influencing biodegradability, such as molecular structure and functional groups.
Researchers found that a regulatory level change enabled C4 plants to photosynthesize more efficiently. By studying this shift, they believe it could be applied to make C3 crops like rice and wheat more resilient to climate change.
Researchers from Osaka Metropolitan University have discovered a combination of green algae and yeast that enhances wastewater treatment efficiency. The mixture boosts the growth environment, uptake of ammonium and phosphate ions, making it an effective solution for wastewater treatment facilities.
A team of scientists at Johannes Gutenberg University Mainz has developed an electrocatalytic conversion technique that converts carbon dioxide into ethanol. The cobalt-copper tandem system achieves selective conversion with an 80% yield, opening up a sustainable method for chemical applications and food conservation.
A new study reveals that Oriental hornets are the only animals capable of consuming high concentrations of alcohol chronically without ill effects. The research found that the hornets metabolize alcohol rapidly and show no signs of intoxication or illness, even after consuming high amounts.
Researchers at Politecnico di Milano discovered that the ratio of CO2 to methane present in the reaction determines carbon build-up on catalysts. This finding paves the way for more efficient technologies and longer-lasting catalysts.
Combining visible light with electrochemistry improves CO2 conversion rates and selectivity, enabling the production of valuable products such as carbon monoxide and hydrogen. The study's findings have significant implications for catalysis research and industrial applications.
A new study published in Nature highlights the risks of exceeding 1.5°C warming, which may result in irreversible climate damage, including rising sea levels. The researchers emphasize that ambitious emissions reductions and carbon dioxide removal technologies are necessary to limit damages.
Researchers at the University of Bonn and Montreal developed a new catalyst that produces methane out of carbon dioxide and water in a highly efficient way using electricity. The process has an efficiency of over 80 percent and produces few side products.
The team created a new method by adding two different enzymes to the existing reaction, increasing conversion rates from 46% in 7 hours to 80% in 5 hours. This approach also improved fumaric acid production efficiency from 10% to 16%.
Researchers from Tokyo Institute of Technology have developed a novel screening methodology using machine learning to identify key design guidelines for ternary metal sulfide electrocatalysts. Focusing on crystal structure leads to better results, overcoming challenges in material properties and electrochemical performance analysis.
A recent study on anaesthetic effects on cerebrospinal fluid flow and volume reveals significant findings, potentially reshaping neuroanaesthesia practices. The research found that commonly used anaesthetics blunt the vasomotor responses and cerebrospinal fluid flow effects of carbon dioxide.
A study published in JAMA found that inhaler prescriptions filled by Medicare beneficiaries in 2022 resulted in approximately 1.15 million metric tons of carbon dioxide equivalent emissions. Metered-dose inhalers, particularly those using short-acting β-agonist medications, accounted for nearly all inhaler-related emissions.
Researchers at Brown University have created the first high-resolution temperature record covering 16,000 years in the tropical Andes. The study highlights the roles of carbon dioxide levels and ocean currents as key drivers of temperature fluctuations.
A WVU team investigates how different management practices affect Appalachian forest life and carbon sequestration capabilities. Preliminary data reveals changes in species distribution and ecosystem resilience to climate change.
Researchers have found that the Southern Ocean absorbs 25% more carbon dioxide than previously estimated. The new study used direct measurements to assess existing flux products in the Southern Ocean.
Researchers designed a novel method using electricity to synthesize methanol from carbon dioxide, increasing efficiency by up to eight times. The process involves cobalt phthalocyanine molecules on carbon nanotubes, with cations enhancing methanol formation.
Researchers have created a novel process for producing acetylene from CO2, reducing reliance on petroleum feedstocks. The new method achieves high current efficiency of 92% and produces CaC2 with minimal sulfur and phosphorous content.
Empa researchers have developed a system to investigate up to ten different reaction conditions for producing synthetic fuels from CO2. The system accelerates the discovery process by generating a large number of high-quality datasets, enabling scientists to make accelerated discoveries.
Researchers found that sharks adapted by elongating their pectoral fins in response to warmer ocean temperatures, making movements more efficient. This evolution allowed them to thrive in the open ocean despite extreme heat.
A German junior research group at the University of Oldenburg is developing precious-metal-free catalysts to convert carbon dioxide into methanol, formaldehyde, and ethylene. The team aims to create inexpensive and durable materials for large-scale industrial applications.
A research team led by UCF's Mário Nascimento De Prá and Noemí Pinilla-Alonso discovered carbon dioxide and carbon monoxide ices on 59 trans-Neptunian objects using the James Webb Space Telescope. The findings suggest that carbon dioxide was abundant in the protoplanetary disk, while the origin of carbon monoxide remains uncertain.
Replacing diesel school buses with electric ones can yield up to $247,600 in climate and health benefits per individual bus, according to a new study. The benefits include reduced greenhouse gas emissions and lower rates of adult mortality and childhood asthma.
A worldwide analysis of voluntary carbon offset programs identified trends in renewable energy, forestry, and other technologies. Forestry and land management projects initially increased due to REDD+ programs, but shifted towards nature-positive solutions after 2016.
Tufts scientists highlight the overlooked feedback loop between drought, soil desiccation cracking, and carbon dioxide emissions, which could accelerate climate change. The study suggests that soil's 80% carbon storage capacity is releasing increasing amounts of greenhouse gases as droughts trigger cracks in soils.
Researchers have identified two essential ferredoxins that play a key role in determining the performance of iron nitrogenase. The discovery opens up new possibilities for elucidating and maximizing nitrogenase's potential, which could lead to sustainable enzymatic production of ammonia and carbon compounds.
Researchers introduced three strategies to enhance catalytic performance of Ni SACs, including support structure modification and surface treatment. The article highlights the potential of Ni SACs in controlling product distribution and reducing cost, while also discussing existing challenges and future development outlook.
Researchers used CRISPR to modify a tomato gene, resulting in reduced water consumption without affecting crop quality. The discovery holds implications for basic scientific knowledge and could help increase plant yields in dry conditions.
Researchers found that higher levels of omega-3 fatty acids in the blood plasma were associated with better lung function and longer survival without needing a lung transplant. This was consistent regardless of smoking history or cardiovascular disease.
A team of scientists from Ruhr-University Bochum and the Fraunhofer Institute has developed a novel catalyst system for converting carbon dioxide into raw materials. The system, which uses homogeneous electrocatalysts, can efficiently convert CO2 under industrial conditions and maintains stability over 100 hours without decay.
Recent research focuses on improving CO2 reduction with acidic electrolyte to enhance carbon efficiency and energy efficiency. Approaches include adding alkali cations, surface decoration, nanostructuring, and electronic structure modulation to promote CO2 reduction while suppressing H+ reduction.
Researchers at MIT and Harvard University have developed an efficient process to convert carbon dioxide into a stable, solid formate fuel that can be used in fuel cells and generate electricity. The new process achieves over 90% conversion efficiency and eliminates the need for toxic and flammable fuels.
A new method estimates the benefit of carbon stored because of forest conservation, enabling direct comparison of projects. The technique generates incentives for safeguarding forests long after credits have been issued.
Researchers have developed a dinuclear ruthenium complex that efficiently reduces CO2 to carbon monoxide with over 99% selectivity. The catalyst's self-photosensitizing properties enhance its stability under reaction conditions, allowing it to drive the CO2 reduction process even at low CO2 concentrations.
A new study by the University of Oxford found that ancient carbon in rocks can release significant amounts of CO2 into the atmosphere, rivaling volcanic emissions. This discovery challenges current understanding of the natural carbon cycle and has important implications for climate change modeling.
Scientists have isolated a microbial enzyme that converts CO2 to formate with high efficiency when attached to an electrode, making it a potential candidate for capturing the greenhouse gas. The system uses renewable energy from wind or solar power to drive the conversion process, storing energy in the form of formate.
A team of Korean researchers uses carbon capture and utilization technology to convert industrial CO2 into calcium formate and magnesium oxide, producing two commercially viable products. The process reduces global warming potential by 20% compared to traditional methods.
This study investigates the consistency of greenhouse gas concentrations obtained from the GOSAT and GOSAT-2 satellites, focusing on CO2 and CH4 retrieval algorithms and validation. The analysis reveals systematic differences in concentration data between satellites that vary temporally and spatially.
Researchers from Tokyo University of Science have developed a catalyst support based on titanium dioxide powder to facilitate effective CO2 reduction. The study demonstrated increased hydrogen production and enhanced catalytic performance with silver nanoparticles loaded onto the TiO2 surface.
A recent study reveals Arctic soil methane uptake may be greater than previously believed. Methane consumption increases under dry conditions and with labile carbon substrates' availability. High-latitude warming affects atmospheric methane uptake to a lesser extent than associated large-scale drying.
A breakthrough solution has been discovered to recycle blended fabrics like polyester/cotton using a simple technique involving heat, non-toxic solvent, and household ingredient. This environmentally friendly approach can recover cotton on a scale of hundreds of grams while preserving the plastic component.
A joint research team from City University of Hong Kong and collaborators developed a stable artificial photocatalytic system that mimics natural chloroplasts to convert carbon dioxide into methane, a valuable fuel, very efficiently using light. The new system achieved a highly efficient solar-to-fuel efficiency rate of 15%, surpassing...
Researchers at Cornell University have developed a multimodal platform to image solar-powered microbes, enabling the study of energy conversion pathways and the potential for improving efficiency. The platform revealed the functional roles of hydrogenases in driving CO2 fixation and electron transport.
Dual-atom catalysts (DACs) face challenges in converting carbon dioxide into multicarbon products due to C-C coupling difficulties. Researchers at Tohoku University uncovered the causes of this failure through advanced theoretical calculations.
A new study led by Brown University researchers reveals that Martian gullies could have been formed by on-and-off periods of meltwater from ice on and beneath the planet's surface. The study found that when Mars tilts on its axis to 35 degrees, conditions become dense enough for brief episodes of melting to occur.
Deforestation in Brazilian Amazon's Indigenous Territories led to the emission of 96 million metric tons of carbon dioxide between 2013 and 2021. The rate of deforestation increased by 129% between 2013 and 2021, with 59% of emissions occurring between 2019 and 2021.
Researchers from USTC develop enrichment strategies for electrocatalytic CO2 reduction, improving selectivity and conversion rates. The review paper outlines key mechanisms and challenges in the field.
Researchers at Duke University have identified a climate feedback loop that could accelerate climate change. Monitoring mixotrophs, tiny organisms with dual metabolism modes, may allow us to anticipate the tipping point before it gets there. However, nutrient pollution poses a challenge to detecting early warning signals.
Researchers at NC State University have developed a novel method for creating CO2 capture filters using 3D printing. The filters, made from a hydrogel material infused with the enzyme carbonic anhydrase, captured 24% of CO2 in a gas mixture and retained 52% of its performance after over 1,000 hours. This technology has potential applic...
Researchers at Leibniz-HKI have confirmed experimentally that bacteria use electrons from hydrogen to produce organic compounds. This breakthrough could make microbial electrosynthesis (MES) a commercially viable technology, producing ethanol and other fuels while storing excess electricity. The study optimized the process for high yie...
Researchers develop a new method for fixing carbon dioxide using formic acid, which can replace conventional chemical manufacturing processes with carbon-neutral biological methods. The process produces formaldehyde, a non-toxic substance that can be fed into metabolic pathways to create valuable substances.
Green carbon science explores the interplay between economic growth, carbon energy, and carbon dioxide, aiming to develop a new energy system with carbon neutrality. The concept is based on the trilemma of economic growth, resources, and environment, and seeks to replace fossil fuels with sustainable alternatives.
New research reveals that atmospheric dust supports 4.5% of global annual carbon export production through phytoplankton growth, with regional variation up to 20-40%. This pathway helps regulate atmospheric carbon dioxide levels and mitigate climate change.
Researchers at Anglia Ruskin University found that a portable breath test can detect changes in metabolism in response to diet. The study used the Lumen device to monitor metabolic fuel use at home and showed that it could detect acute changes in carbohydrate use, but was not sensitive on a day-to-day basis.
Researchers have developed an electrolyte to improve the efficiency of CO2 conversion into useful hydrocarbons. The study found that controlling the concentration of the electrolyte is crucial in regulating product formation, with too much potassium leading to clogage and reduced selectivity.
A Brazilian study found that prenatal exposure to cannabinoids increases the risk of sudden infant death syndrome, breathing difficulties, and impaired control of breathing. The study suggests that consumption of cannabis or derivatives during pregnancy can have severe effects on the fetus's neural and physiological functions.
Research found that ZrO2 oxygen vacancies greatly facilitate charge transfer to CO2 molecules, leading to improved adsorption and activation. The study suggests t-ZrO2 with oxygen vacancies is most favorable for CO2 adsorption and activation over different phases of ZrO2.