Articles tagged with Carbon Dioxide
A new University of Washington study shows that past emissions from carbon majors will continue to impact the environment for decades to come. The research, published in PLOS Climate, highlights the long-term effects of fossil fuel emissions on global warming.
Leading scientists warn of unaccounted climate feedback loops that could amplify global warming by 20–30% this century, with natural systems amplifying warming-induced emissions. Cutting emissions can reduce these risks and limit the severity of feedbacks.
Researchers developed a copper phthalocyanine catalyst from an inexpensive blue pigment that efficiently converts CO₂ into methane in a single electrochemical step. The system achieved high current density and Faradaic efficiency, demonstrating improved selectivity and durability compared to conventional catalysts.
SwRI has developed advanced computer models to realistically simulate supercritical CO₂ environments for CCUS, allowing for the testing of downhole equipment with CO₂. The test rig and computational models enable the observation of tool performance and reliability in realistic conditions.
A new MOF-coated catalyst creates a local reaction environment, concentrating CO2 near copper single-atom reaction sites and enhancing CO conversion. The catalyst produces CO at approximately five times the rate of pristine BaTiO3 under ultrasonic vibration.
A team of researchers from Institute of Science Tokyo has developed a novel, one-step synthesis method for producing highly active nickel-cerium oxide catalysts. These catalysts achieve outstanding methanation performance while being suitable for large-scale production, offering a practical route toward carbon-neutral fuel technologies.
A 300-million-year-old event shows that volcanic activity and orbital forcing combined to trigger rapid warming. The study reveals the importance of sustained orbital forcing in triggering positive climate-carbon cycle feedbacks, leading to massive carbon release and abrupt large-scale warming.
A new study warns that ambitious climate pledges may lead to a 12.8% reduction in global cropland by 2100, compromising food security. The impact could be unevenly distributed, with countries in the Global South and South America facing significant losses.
Researchers found that adding fine biochar to natural hydraulic lime boosts its compressive strength by 35.7% and increases CO2 uptake by 14.6%. The optimized material can support carbonation through biochar's porous structure, promoting calcium carbonate formation.
Biochar researchers explore how changing reactor atmospheres can tailor materials for carbon storage, pollution control, and industrial applications. Alternative gases like CO2, steam, and ammonia can shape the production process and resulting materials.
A new study introduces a standardized method for measuring greenhouse gas and air pollutant emissions generated across the entire retail journey. The protocol covers online and traditional in-store shopping and provides nationwide parameters for China from 1990 to 2023, identifying opportunities for meaningful reductions.
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.
Two University of Utah-led studies aim to improve biomass mapping to better understand how Arctic and boreal forests respond to climate change. The new maps, built using satellite imagery and field measurements, capture 40 years of ecological change in unprecedented detail.
The 4th International Conference on Carbon Dioxide Removal will bring together global experts to share the latest research and foster cross-disciplinary collaboration. The conference aims to advance resilient CDR strategies grounded in robust scientific evidence.
Southeast University and Korea University researchers developed advanced copper catalysts to convert CO₂ into valuable fuels. Their strategy integrates tandem effects, synergistic interactions, and geometric control to enhance reaction pathways, reducing energy barriers for C₂+ product formation.
The EU's plans for domestic production of fossil-free aviation fuels risk steering development towards more expensive and energy-intensive pathways. A study from Chalmers University of Technology found that the current regulatory framework favours combustion-based alternatives over gasification, leading to increased costs and energy use.
FAU engineering researcher Masoud Jahandar Lashaki has been awarded a prestigious NSF CAREER award to study the oxidative degradation of amine-functionalized sorbents. The project aims to design longer-lasting technologies for capturing pollutants from air and water, improving indoor and outdoor air quality.
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.
The Joule Hive Thermal Battery system can generate and store heat up to 1,800 degrees Celsius using renewable energy sources like solar or wind. The system's thermal energy storage capabilities make it possible for industrial sites to rely on renewable energy sources flexibly.
Scientists have developed a light-activated material that can convert carbon dioxide into carbon monoxide, a key building block for fuels and chemicals, using sunlight and water. The material, which combines ideas from biology and materials science, produces CO extremely efficiently with no detectable by-products.
A new study challenges the assumption that only small pores in biochar capture carbon dioxide, finding that larger pores significantly increase carbon capture at higher temperatures. The research suggests optimizing the full pore hierarchy of biochar could improve its performance as a carbon capture material.
Researchers highlight advancements in fluidized bed design, oxygen carrier materials, and performance of chemical looping systems. They emphasize the importance of controlling fluidization regime and developing physical standards for oxygen carriers.
Researchers at Yale and Missouri developed manganese-based catalysts that effectively convert carbon dioxide into formate, a potential key contributor of hydrogen for fuel cells. This breakthrough addresses the challenge of producing cost-efficient ways to produce and store hydrogen.
Researchers at Northwestern University and Stanford University develop a new artificial metabolism that converts waste carbon dioxide into acetyl-CoA, a universal metabolite used by all living cells. The system, called Reductive Formate Pathway (ReForm), uses engineered enzymes to perform metabolic reactions never seen in nature.
A new study estimates that the Amazon rainforest could lose up to 38% of its area by the end of the 21st century due to land use changes and climate change. The research, published in PNAS, suggests that abrupt transitions from dense forest coverage to savannah-like landscapes pose a significant risk to the ecosystem.
Researchers at MIT have discovered a simple way to make carbon capture more efficient and affordable by adding a common chemical compound called tris to capture solutions. This innovation can stabilize the pH of the solution, allowing the system to absorb triple the amount of CO2 at relatively low temperatures.
Researchers found that adding formic acid to traditional UV-based oxidation systems boosts PFOA defluorination rates from 27% to 89%, leveraging reductive radicals for efficient degradation. Acidic conditions and oxygen-free environments enhance performance.
Recent breakthroughs in chemical looping technology enable high purity hydrogen generation alongside carbon dioxide separation, reducing emissions. Dr. Aziz's research advances material behavior, reactor configurations, and system optimization for near zero emission hydrogen systems.
Dr. Muhammad Aziz presents his cutting-edge research on chemical looping-based hydrogen production, generating high-purity hydrogen and capturing CO2 while recovering usable heat or power. His work spans from microscopic analysis to system-level integration across energy and heavy industries.
Researchers found that elevated CO2 levels can cause leaf temperatures to rise by up to 1.3°C in forests, with a greater impact during extreme heatwaves. This change is likely caused by reduced transpiration and could have significant effects on the water cycle globally.
A new study has found that the Southern Ocean releases substantially more carbon dioxide during the dark austral winter than previously thought. The findings suggest that the region plays a more complex and dynamic role in the global carbon cycle, with implications for climate models.
Researchers developed a novel biochar material with a high specific surface area and micropore volume, achieving a maximum CO2 adsorption capacity of 3.434 millimoles per gram at room temperature. The material's optimal mesopore proportion enabled rapid adsorption kinetics, resolving a long-standing trade-off in biochar design.
Researchers have discovered detailed visualizations of mosquito's carbon dioxide-detecting neurons, revealing anatomical adaptations designed to target human blood. The study provides key insights into the mosquito's sensing mechanisms and their unique ability to detect CO2, which contributes to their deadly status.
The course explores the science of global carbon cycle, latest technologies and economic trade-offs of different approaches. It prepares professionals for a growing industry expected to become a €220 billion annual market by 2050.
A new study reveals that the strength of carbon monoxide adsorption energy relies on a mix of reaction factors, including catalyst material and voltage. This insight can guide the design of more efficient catalysts to convert CO2 into useful fuels like methanol and ethanol.
Researchers at Kyushu University found that rising CO2 levels in the atmosphere may lead to disruptions in shortwave radio communications, including systems used for air traffic control and maritime communication. The ionosphere's cooling due to global warming causes a decrease in air density and accelerates wind circulation.
A team developed an artificial ocean carbon recycling system that captures CO2 from seawater and directly converts it into succinic acid, achieving a carbon capture efficiency of 70%. The system's cost is competitive with existing state-of-the-art technologies.
A new power generation system using liquid oxygen storage has been patented by SwRI and 8 Rivers, aiming to make power plants more efficient and cost-effective. The system utilizes fluctuations in energy demand by generating pure oxygen during off-peak hours, which can then be stored and used later when prices are higher.
Researchers at Tohoku University introduced a new approach for electrochemical carbon dioxide reduction using multilayer cobalt phthalocyanine/carbon core-shell structures. The study demonstrated a catalyst architecture that makes CO₂ conversion into carbon monoxide both stable and efficient.
A growing body of research links environmental pollutants to worsened health and shorter life spans in childhood cancer survivors. The study found that only 25% of pediatric oncology providers felt comfortable discussing environmental pollutant impacts with patients.
A new study found that land and ocean weathering processes are linked, influencing the amount of carbon stored or released into the atmosphere. The research proposes a continuum approach to studying weathering reactions on both land and in the ocean.
Converting waste carbon dioxide (CO2) and carbon monoxide (CO) into propanol offers a promising strategy for a sustainable energy future. Propanol has high energy density and is used in fuels, chemicals, and pharmaceuticals, making it an attractive target for green synthesis.
Researchers at King Abdullah University of Science and Technology (KAUST) have developed a system to convert captured carbon dioxide into industrial-grade ethylene, a crucial commodity in plastics, textiles, and construction. The innovation reduces energy costs by 0.8 gigajoules per metric ton compared to existing electrolysis systems.
A research team developed a photochemical strategy to realize heterolytic H2 dissociation using gold-loaded titanium dioxide as a model photocatalyst. The reaction was driven by electron-hole pairs formed upon UV irradiation, producing reactive H2 species that selectively reduced polar functional groups.
Insects rely on carbon dioxide emissions from host plants to identify ideal egg-laying sites. Rising atmospheric CO₂ levels interfere with this natural signal, leading to maladaptive choices that threaten insect survival. The study highlights the urgent need for both emissions reductions and innovative agricultural adaptation.
Researchers used SPARTAN network data to find black carbon concentrations in low- and middle-income areas across the Global South were grossly underestimated, with up to a two-fold underestimation. The study highlights the need for renewed attention to characterizing harmful black carbon in these regions.
Researchers developed nanosized, porous oxyhalide photocatalysts that achieve record performance in producing hydrogen from water and converting carbon dioxide to formic acid using sunlight. The breakthrough offers a scalable, eco-friendly approach to solar fuel production by carefully controlling particle size and structure.
A new study led by Harvard T.H. Chan School of Public Health found that increasing solar power generation in the US by 15% could lead to significant cuts in CO2 emissions. The researchers pinpointed regions where clean energy investments return the greatest climate dividends and demonstrated the value of coordinated clean energy efforts.
Researchers successfully converted CO2 from thermal power plant exhaust into formic acid and formamide using waste silicon wafers from discarded solar panels. The reaction produces high yields of these valuable organic chemicals, demonstrating the practicality of recycling materials to sequester greenhouse gases.
Researchers have developed a novel electrified catalysis strategy that removes more CO2 and CH4 from the atmosphere than it emits, resulting in net-negative greenhouse gas emissions. The process converts these compounds into syngas with an impressive energy utilization rate of 80%.
New research claims adding lime to agricultural soils can remove CO2 from the atmosphere, rather than cause emissions. The study, based on over 100 years of data, shows that the addition of acidity is the main driver for CO2 emissions from soils.
Teams developed a CO2 capture and conversion system that can handle a wide range of CO2 concentrations, even in the presence of oxygen. The system uses a zeolite adsorbent to rapidly adsorb CO2 and a separate catalytic reactor to convert it into a usable resource.
A team of researchers at Tohoku University's AIMR used machine learning potential to characterize Sn catalyst activity, identifying the most effective catalysts for CO2 reduction. The study provides novel insights into the behavior of Sn-based catalysts and could lead to more efficient fuel production.
Researchers discovered that young secondary forests, aged between 20 and 40 years, exhibit the highest rates of carbon removal – locking away up to eight times more carbon per hectare than newly regenerating forests. Protecting existing young secondary forests offers immediate substantial carbon removal benefits.
Researchers argue that nature-based solutions like restoring forests and ecosystems are necessary for achieving global climate goals. High-tech CDR methods can complement, not compete with, these natural approaches. A balanced approach is key to meeting the Paris Agreement's temperature goal in a sustainable manner.
A study combines DFT and machine learning to analyze a wide range of epoxides in CO₂ cycloaddition, identifying key molecular descriptors and predicting reactivity trends. The research aims to develop predictive catalyst and substrate design for optimized CO₂ fixation, contributing to greener chemical processes.
Researchers have developed metal-based Janus nanostructures that boost CO2 reduction via tandem electrocatalysis. These structures exhibit unique properties and mechanisms, enabling the generation of single-carbon and multi-carbon products.
Scientists at the University of Surrey have developed a breakthrough in eco-friendly batteries that store more energy and capture carbon dioxide. The new lithium-CO₂ 'breathing' batteries use a low-cost catalyst to overcome efficiency issues, potentially leading to widespread adoption and reducing emissions.
Researchers from Southwest Research Institute (SwRI) have set a new temperature record for testing materials in high-pressure environments. The team successfully achieved unprecedented conditions of 1,150 degrees Celsius at 300 bar using a modified autoclave setup.
Researchers have found new organisms that can capture carbon dioxide and clean pollutants from the environment. By exploring extremophiles in homes, scientists can gain insights into their unique characteristics and develop sustainable solutions.