Articles tagged with Carbon Capture
The State of Carbon Dioxide Removal report reveals that current pledges fall short of pathways limiting warming to 1.5°C by more than 5 billion tonnes of CO2 per year by 2050. CDR must grow at rates comparable to or faster than the most rapid clean energy transitions, including solar power.
A new study suggests that temporary carbon storage can play a significant role in climate mitigation, particularly in sectors with persistent methane emissions. The researchers found that neutralizing the climate impact of 1 kilogram of methane requires removing roughly 498 kilograms of CO₂ stored for 20 years.
A research team found that tropical forest plants increase root carbon exudation to stimulate phosphatase activity, mineralize organic P, and release organic acids to dissolve mineral-bound P. This adaptation helps alleviate P limitation under long-term N enrichment, sustaining productivity.
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 study finds that US forests are at risk of releasing stored carbon due to droughts, pests, and fires exacerbated by climate change. The researchers recommend increasing buffer pools in carbon-credit systems to account for these risks.
The study compares two carbon capture methods: direct air capture (DAC) and direct ocean capture (DOC). DAC draws air through a liquid solution that absorbs CO2, while DOC extracts carbon directly from seawater. The research team modeled both approaches using a techno-economic analysis framework to assess their economic viability and h...
Researchers at the University of Colorado Boulder have built an instrument that lets them study direct air capture (DAC) in detail. The custom-designed laboratory flow cell enables accurate spatial mapping of the reaction's kinetics in real-time, shedding light on how efficiently the system works and how it should be designed.
Researchers caution that weakening core safeguards in carbon markets risk worsening climate impacts and increasing net carbon emissions. Indigenous land stewardship is vital for maintaining intact ecosystems and vital carbon sinks, but alternative support mechanisms are needed to preserve the integrity of climate action.
The 23rd Carbon Research International Forum highlights engineered biochar's potential in supporting carbon capture, resource recovery, and sustainable industrial development. Recent progress in converting agricultural and industrial residues into high-performance carbon materials was discussed.
A major analysis found that four in five REDD+ projects successfully protected forests. Many projects have slowed deforestation despite over-crediting; 'bad credits' do not necessarily mean bad projects.
Researchers at TU Wien have demonstrated a remarkable mineralogical mechanism where certain minerals convert CO2 into solid carbonate quickly, mediated by water. This process enables rapid CO2 capture and storage in rocks, potentially solving the issue of atmospheric CO2 removal.
The upcoming international forum will explore engineered biochar's potential to advance carbon capture and sustainable resource recovery. Recent advances in biochar design, including structural engineering and hybridization with nanomaterials, will be showcased.
Researchers have developed a new class of carbon materials called 'viciazites' that contain carefully controlled configurations of nitrogen groups, enabling low-temperature operation and efficient CO2 capture. The materials outperform untreated carbon fibers in CO2 uptake and desorption at temperatures below 60°C.
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.
Research in the Amazon forest shows that reduced-impact logging techniques can increase above-ground biomass and contribute to mitigating climate change. The study found that RIL-FM increased biomass stock by 70.68 megagrams per hectare, while conventional logging resulted in a biomass loss.
A coalition of experts warns that carbon markets may be penalizing First Nations' long-term stewardship due to their 'additionality' requirements. The definition of 'additionality' often rewards restoration on degraded land, excluding protected ecosystems and traditional owners' custodianship.
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.
Researchers found that trees with heart rot disease release more methane than healthy trees, regardless of disease severity. Methane emissions peak in the trunk's center, a finding that challenges previous assumptions about tree health and greenhouse gas cycling.
The University of East London and STRABAG UK have developed a pioneering low-carbon grout that replaces traditional cement-heavy annulus grout, reducing embodied carbon by over 61%. The innovation uses repurposed construction waste and agricultural by-products to create a sustainable alternative.
Researchers at Chiba University developed oxygen-functionalized graphene membranes that selectively separate carbon dioxide from methane while maintaining high permeability. The study demonstrates the potential of graphene-based filtration systems for next-generation gas purification, enabling cheaper and cleaner energy production.
The study reveals that up to 13% of areas allocated to land-based carbon removal could overlap with important biodiversity sites in ambitious emissions reduction scenarios. Effective implementation of reforestation and BECCS can reduce the long-term loss of biodiversity due to climate factors by up to 25%, producing net benefits.
Agricultural waste from crops like wheat, rice, and maize can act as a powerful carbon sink when diverted into construction products. The study finds that these materials can store carbon for decades rather than releasing it within months.
Researchers synthesize recent advances on biochar's potential to support cleaner water, lower carbon emissions, and renewable energy generation. Biochar's unique physical and chemical properties make it a critical platform material connecting these systems within a circular framework.
A 40-year greening project in China's Taklamakan Desert has successfully reduced atmospheric carbon dioxide levels and increased solar-induced fluorescence, indicating a measurable carbon sink. The project demonstrates the potential of afforestation to mitigate climate change, despite being only a small dent in global emissions.
A new study finds that soil salinization influences inorganic carbon storage, particularly in regions with elevated salinity. The research reveals a conditional relationship between salinity and inorganic carbon, highlighting the need to incorporate soil chemical processes into global carbon assessments.
Researchers have designed an electrode that captures airborne CO2 and directly converts it into formic acid, outperforming existing electrodes. The system demonstrated utility in ambient air conditions, making it a promising strategy for integrating CO2 capture into practical industrial applications.
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.
A new global climate webinar recording highlights biomass-based carbon capture as a scalable and cost-effective solution for achieving net-zero emissions. Biomass pathways, including bioenergy with carbon capture and soil amendments, offer up to 6.7 gigatonnes of annual mitigation potential by 2050.
Researchers discovered a new method for excluding water in covalent organic frameworks, leading to more efficient solutions for air pollution. The approach reveals that mismatches between simulations and experiments can be powerful clues for material design.
This webinar discusses the potential of bio-based carbon capture to deliver up to 6.7 gigatonnes of CO2-equivalent mitigation annually by 2050. It explores how biomass can transform climate mitigation, offering scalable and equitable pathways to net-zero.
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 develop a controlled method to capture CO2 from power plants using limestone and dolomite rocks, mimicking nature's slow geological process. The system captures part of the CO2, leaving room for engineering improvements towards a practical carbon capture technology.
Researchers developed more efficient semiconductors that convert solar energy into chemical energy, enabling the reuse of CO2 as a raw material for fuel production. The study also found that adding special catalysts boosts performance and extends system lifetime.
Researchers at Worcester Polytechnic Institute created a carbon-negative building material called enzymatic structural material (ESM) that offers a new alternative to traditional concrete. ESM sequesters more than 6 kilograms of CO2 per cubic meter, reducing emissions by nearly 80% compared to conventional concrete.
Bio-based carbon capture offers a 'triple win' for people, planet, and productivity through decentralized systems cutting synthetic fertilizer use by 20-40% and boosting crop yields by 10-25%. Long-term incorporation of biomass into soils via compost and biochar increases soil organic carbon by 10-40%, improving fertility and resilience.
Heriot-Watt University's IDRIC receives £2 million funding to advance UK industrial decarbonisation, building on five successful years of impact. The initiative will focus on research supporting regional and policy impact, identifying gaps in innovation.
A new study by the University of Leicester reveals that Africa's forests have switched from absorbing to emitting carbon, with approximately 106 billion kilograms lost per year between 2010 and 2017. This alarming shift underscores the urgent need for stronger global action to protect forests.
A study at the University of Buffalo discovered a new membrane that separates hydrogen from CO2 with a record-breaking selectivity of 1,800, outperforming previous rates by 18 times. The crosslinked polyamines-based membrane also exhibits self-healing properties and stability under extreme conditions.
Marine carbon dioxide removal technologies have the potential to play a role in mitigating global warming, but verifying their effectiveness and ensuring they don't harm the ocean is crucial. The European Marine Board report highlights the need for measures to ensure these technologies are used responsibly.
Researchers developed a distributed carbon nanofiber direct air capture filter that can turn every home, office, school or other building into a small carbon-capture system. The new filter is 92.1% efficient in removing carbon dioxide from the air, equivalent to taking 130 million cars off the road for a year.
Researchers have discovered a novel approach to converting waste carbon into useful products using porous separators called diaphragms. These diaphragms can withstand the harsh conditions of the process and maintain efficiency over an extended period, making them a viable alternative to existing membranes.
Researchers measured miscanthus × giganteus net primary productivity in both aboveground and belowground structures. They found that aboveground productivity varied among sites, fertilization rates, and calculation assumptions, with yields ranging from 15.4 to 36.4 Mg DM ha–1 year–1.
A new study warns that peatland carbon loss could quadruple under extreme drought events and warmer temperatures, threatening the planet's carbon sink. Researchers found that elevated carbon dioxide levels exacerbated carbon release during droughts, wiping out hundreds of years of accumulated carbon.
Researchers have developed a new biochar-enhanced cement that can capture and store more carbon dioxide while strengthening the material. The sedimented particles in alkali-modified biochar had a greater ability to trap CO2, improving both mechanical strength and carbon sequestration.
A new study offers a risk management approach to assess carbon removal portfolios and their potential to limit global warming over centuries. The framework suggests combining nature-based carbon storage like forestry with technology-based solutions like Direct Air Capture can provide long-term temperature stabilization.
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.
A Stanford University study reveals a roadmap for California to achieve net-zero emissions by 2045, requiring significant advancements in renewable energy generation, energy storage, and low-carbon transportation. The model forecasts the need for 170 gigawatts of new generation and 54 gigawatts of storage by 2045.
A study examined Vietnamese mangrove carbon since 1900 and found restored forests to act as important carbon stores. However, the study suggests that these ecosystems might not possess 'normal' ecological functions.
The University of Pittsburgh is launching a groundbreaking undergraduate degree in Natural Gas, Renewables, and Oil Engineering (GRO), combining traditional oil and gas engineering with renewable systems. The program prepares students for a rapidly changing global energy market and offers strong career prospects.
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.
Researchers at the University of Copenhagen have developed a method to convert plastic waste into a climate solution for efficient and sustainable CO2 capture. The new material, BAETA, can absorb CO2 out of the atmosphere efficiently compared to existing carbon capture technologies.
Researchers propose using bio-oil to sequester carbon dioxide in abandoned oil wells, offering a cost-effective alternative to direct air capture. The technology involves fast pyrolysis of biomass feedstock, producing bio-oil that can be injected into empty wells.
A new study estimates that safe underground carbon storage can reduce warming by 0.7°C, significantly lower than previous estimates of 6°C. The study highlights the need for responsible management of this limited resource to achieve long-term climate goals.
Researchers at Aarhus University have developed a method to measure plant roots using DNA technology, revealing their essential role in food production and climate. The new method enables accurate measurement of biomass and species distribution, opening up applications in climate research, plant breeding, and biodiversity analysis.
An international team of earth scientists proposes a new framework to understand the factors influencing CO2 removal, revealing their complex interactions and potential for enhanced weathering techniques. This integrated approach aims to enhance natural carbon storage, helping achieve Paris Agreement targets.
The decline of seed-dispersing animals, including birds and mammals, hinders the fight against climate change by altering forest composition and reducing carbon absorption. Researchers warn that major global efforts underestimate the importance of frugivores in conservation and restoration strategies.
A single species of coral in the Alcatrazes Archipelago retains about 20 tons of carbon per year, equivalent to the carbon emissions from burning 324,000 liters of gasoline. This stored carbon can last for centuries or millennia, making subtropical coral reefs like Alcatrazes potential greenhouse gas sinks.