Researchers have optimized an electrochemical method called seawater splitting to trap and sequester carbon dioxide into stable solid mineral deposits. The method allows for maximal mineral yield with minimal energy use, making it a promising pathway for transforming carbon dioxide into useful substances.
Forest age significantly affects bamboo forests' phytolith carbon sequestration, with mature forests accumulating more soil PhytOC. Karst bedrock enhances PhytOC accumulation in bamboo forests due to its high Si content and weak alkalinity. Soil available Si is a crucial factor influencing PhytOC accumulation.
A team of Rice and UH scientists discovered simple solutions to address a fundamental issue in carbon capture technology - carbon dioxide reduction reaction. They found that lowering the concentration of cations like sodium or potassium in the electrolyte slows down salt buildup, improving reactor stability.
A new study led by Colorado State University found that agricultural nitrogen fertilizer is the primary cause of seasonal carbon cycle swings. This discovery adds to scientific understanding of the carbon cycle and could help inform climate change mitigation strategies.
A new study estimates China's natural forests will continue to capture carbon, but at a slowing rate. The research reveals significant regional differences in carbon storage potential, with younger forests showing the largest increase.
A recent study suggests China can achieve carbon neutrality by 2060 without relying on extensive negative-emission technologies. Renewable energy development and a transformed energy system will help the country reach its goal, supported by 2.1 billion tonnes of terrestrial ecosystem carbon sinks.
A study published in Global Change Biology found that forests with multiple tree species store significantly more carbon than those with only one species. The Sardinilla experiment in Panama revealed that mixed-species forests sequester up to 57% more carbon in aboveground tree biomass.
A new study reveals that UK peatland fires are responsible for up to 90% of annual fire-driven carbon emissions, with emissions set to rise by at least 60% if the planet warms by 2°C. Researchers found that rewetting peatlands can help reduce carbon emissions and mitigate climate change.
A study analyzes the carbon emission drivers in Belt and Road Initiative countries, finding that economic development and population growth are major contributors. The research also highlights the importance of reducing energy intensity and carbon intensity in middle and high-income countries.
Scientists at UMass Amherst accurately quantify coastal carbon storage using satellites, revealing 10 million cars' worth of carbon stored in top meter of soil and an additional 15,000-worth each year. The results are crucial for a resilient, low-carbon future, highlighting the potential for salt marshes to mitigate climate change.
A recent report by Colorado State University reveals that the state's forests are emitting more carbon than they absorb, primarily due to insect and disease impacts. The study estimated that Colorado's forests stored 1,558 teragrams of carbon between 2010 and 2019.
This study explores fungal biomass's role in stabilizing carbon in soils, showing a strong correlation between microbial biomass and reactive mineral-associated carbon. Fungal necromass interacts with nanoparticles to further stabilize the carbon after death, proposing a new conceptual model for hypha-mineral interactions.
A new Oxford report suggests that a carbon storage mandate on fossil fuel producers could help the UK meet its climate targets while protecting public finances. The policy scenario explores requiring suppliers to permanently store rising percentages of their CO2 emissions.
A year-long study in Antarctica found that krill's vertical migrations contribute less than 10% to deep ocean carbon sequestration, challenging conventional assumptions. The study suggests that traditional models overestimate the role of krill in carbon export, resulting in a 200% overestimation.
A new study investigates how soil organic carbon is distributed across different latitudes and soil depths in tropical, subtropical, and temperate forests. Forests are critical carbon sinks, and understanding how carbon is stored in soil is essential for climate action.
Researchers from Max Planck Institute for Chemistry explain how carbon nanoparticles degrade in vehicle exhaust gases, with temperatures influencing reaction pathways. The study's findings have implications for synthetic fuels production and environmental innovation.
A study co-authored by Yale School of the Environment scientists found that directly measuring soil carbon can provide reliable evidence of how much carbon is being stored. This approach, coupled with suitable study designs, allows for feasible verification of climate-smart practices such as crop cover and reduced tillage.
A new study has found that diversified cropping systems can increase nitrogen supply in the soil, but do not lead to increased soil carbon levels. The study, published in Nature Sustainability, used stable carbon isotopes to analyze soil core emissions and found that decomposition rates were higher in longer rotations.
A new study published in Nature Communications provides fresh insights into China's carbon removal capacity through land-use, land-use change, and forestry. The researchers used an improved modeling approach to estimate the country's carbon removal from land-use changes, offering more accurate projections for future carbon removal.
Researchers estimate that human-made products store around 400 million tons of fossil carbon annually, equivalent to 9% of extracted fossil carbon. Recycling and increasing product lifetime can help reduce waste streams, while enacting policies to minimize landfill discharge is crucial.
A global study using teabags to measure carbon release from soil in wetlands found that warmer temperatures led to increased decay of organic matter, reducing carbon preservation. Freshwater and tidal marshes showed the highest potential for carbon storage.
A study by LMU Munich found that a clear majority of German citizens (73%) support carbon pricing, with the most popular model being one where all citizens receive an upfront sum equal to expected carbon revenues. The effect of carbon taxation on consumer decisions is underestimated.
Chemists at Ohio State University have developed a novel way to capture and convert carbon dioxide into methane, utilizing nickel-based catalysts and reducing the need for massive amounts of energy. This breakthrough could pave the way for more efficient climate mitigation technologies and help close the carbon cycle.
A new study quantifies each country's equal share of the remaining 1.5C carbon budget based on equal per capita historic emissions since 1990 and share of the remaining carbon budget. High-income countries have large carbon debts, while several upper-middle income countries have high future emissions.
The Berlin Declaration aims to achieve carbon neutrality through basic research and international cooperation. The declaration highlights the importance of developing effective measures to reduce CO2 emissions in all sectors, including energy and industry.
Sedimentary organic carbon distribution varies by region in eastern China seas, with higher concentrations in mud areas. Organic carbon burial fluxes are calculated to be 8.20 Mt C a⁻¹, accounting for 5.3% of global seabed burial flux.
A new study reveals that increasing plant diversity in agriculture can significantly improve soil carbon retention by fostering stronger positive interactions between microbes. This practice not only promotes healthier ecosystems but also offers a viable solution for maintaining crop output while sequestering more carbon in soils.
The Smithsonian Tropical Research Institute will use the grant to apply a free, definitive standard for quantification of forest carbon everywhere. The project aims to provide accurate estimates of carbon storage and change in forests globally, enabling countries, companies, and landowners to offset their emissions.
Researchers present a novel method to remove and store atmospheric carbon using 'wood vaults', potentially reducing fossil fuel emissions. The approach could sequester up to 10 gigatons of CO2 annually, with an estimated initial cost of $100 to $200 per ton.
Researchers assessed the potential of two alternative methods in strengthening China's land carbon sink. Ozone control and litter removal showed significant gains in regional carbon sinks, with conservative forestation contributing up to 12 Pg C a^-1 by 2060. This can help limit temperature rise to below 2°C above preindustrial levels.
Researchers found that regrowing tropical forests on pastureland can reduce soil carbon emissions by nearly two-fold, offering a quick win in the fight against climate change. This unexpected finding is attributed to warmer temperatures experienced by soils in pastureland, which may explain higher carbon dioxide emissions.
A new study from the University of Leicester found that trees in logged tropical forests produce more carbon dioxide per unit area than those in unlogged forests. The researchers measured respiration in tree stems and estimated values for all trees in a one-hectare plot, showing higher carbon release levels in logged forests.
A recent study reveals that urban underground space (UUS) development can provide substantial carbon-sequestration potential through geothermal energy utilization. The research analyzes China's UUS development over two decades and concludes that long-term operation of metro systems can offer significant carbon-sequestration benefits.
Researchers at Pusan National University found compact cities reduce consumption-based carbon emissions through efficient public transportation, mixed land use, and pedestrian-friendly communities. This study supports the argument that compact city development is crucial for achieving carbon neutrality.
Researchers used tree regeneration patterns to predict changes in US forests' carbon stocks, finding that 29% will lose and 55% will replace carbon. This study identifies vulnerable areas and prioritizes strategies for resilient forest management.
Researchers evaluated current carbon sinks in Wensu County, identified spatial patterns, and developed ecological restoration strategies. The study found that southern foothills have the best carbon sequestration capacity, with proposed strategies to boost carbon sinks by integrating with other ecological goals
Research from Edith Cowan University finds that carbon assurance will likely become mandatory due to growing stakeholder demand and IFRS climate change disclosures. Companies with existing systems in place for tracking carbon emissions are expected to reap benefits, including increased shareholder investment.
A polyaniline catalyst coated in cobalt oxide nanoparticles has been developed to produce acetate through carbon dioxide electroreduction. The synergistic nature of the polyaniline and cobalt oxide combination enhances the transformation, resulting in improved crystallization and uniform deposits.
The paper reviews existing assessment tools for digitalized low-carbon urban planning and design, highlighting their limitations and application shortcomings. The study categorizes and compares 19 assessment tools, focusing on city-scale and district/neighborhood-scale carbon assessment tools.
Diatoms, single-celled plankton, build biomass by feeding on organic carbon, challenging the assumption that photosynthesis is their only strategy. The discovery has major implications for understanding the global carbon cycle and could alter estimates of carbon dioxide diatoms pull out of the air.
A recent study reveals that Australia's forests have declined significantly over the past 30 years, contributing to a troubling trend of deforestation and forest degradation. The country's extensive deforestation for agriculture has been a major driver of carbon emissions.
A new study reveals widespread decline in Western US forest carbon storage, likely caused by drought and fire. The research provides a framework for evaluating future changes and informing management strategies to mitigate carbon loss, highlighting the need for proactive forest management practices.
A study reveals that porewater-derived carbon outwelling plays a significant role in driving dynamic changes of carbon and greenhouse gases in saltmarsh ecosystems. Porewater exchange acts as a long-term and significant carbon sink, comparable to soil carbon burial.
Researchers at the University of Texas at Austin have developed a technique for ultrafast formation of carbon dioxide hydrates, which can store carbon in the ocean and prevent it from being released into the atmosphere. This breakthrough could make carbon storage more accessible and feasible on a global scale.
Weaker ocean circulation may lead to increased carbon dioxide buildup in the atmosphere due to a previously uncharacterized feedback loop involving iron, upwelling nutrients, and ligands. The study challenges current thinking on the ocean's role in storing carbon.
A new study reveals that climate models overestimate the storage time of carbon in plants, meaning it is released back into the atmosphere sooner than predicted. This has implications for nature-based carbon removal projects and our understanding of the role of nature in mitigating climate change.
A new study reveals that the shape and depth of ocean floors significantly influence carbon sequestration, with bathymetry accounting for up to 50% of changes over 80 million years. This understanding can inform marine-based carbon dioxide removal technologies and aid in searching for habitable planets.
Research in three Swedish fjords shows that organic carbon is effectively trapped, regardless of oxygen levels. The study highlights the importance of sediments in storing carbon, with up to 18 megatonnes buried annually, representing 11% of global ocean carbon capture.
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.
Researchers find that carbon deposition on copper electrodes hinders CO2 reduction, leading to catalyst deactivation. The team elucidated the mechanism of carbon formation through controlled experiments.
A new roadmap proposes a holistic approach to reducing net-zero carbon emissions by converting various parts of the economy to run on renewable electricity. The approach includes developing non-carbon fuels, finding non-fossil sources of carbon, and keeping carbon in play through circular economies.
The US-based roadmap aims to reduce carbon emissions from transportation and industrial sectors by reusing existing carbon, not just capturing or sequestering it. Researchers from national laboratories are working to accelerate discovery of transformative technologies to achieve net-zero emissions by 2050.
Researchers found that water erosion acts as a net sink of atmospheric CO2, offsetting horizontal soil organic carbon removal. The study suggests that ecological restoration projects and tillage practices can improve the capacity of the carbon sink for recovery beyond the rate of horizontal carbon removal.
A new study reveals that a single hurricane can wipe out 5-10% of New England's total aboveground forest carbon through tree damage. The research team analyzed the impact of 10 powerful hurricanes on the region's forests and found that future storms could pose a significant risk to carbon offset programs.
Research published in Global Change Biology indicates that a single hurricane can down 4.6–9.4% of New England's aboveground forest carbon. The study also shows that current carbon market policies are insufficiently buffered against the risks posed by hurricanes, which could lead to catastrophic emissions
New research finds massive carbon inputs from volcanism and seafloor spreading impacted climate change, with tropical climate processes regulating the marine carbon cycle. The study reveals a significant reversal of orbital phase relationships between the carbon cycle and climate change during the Miocene Climate Optimum.
Researchers identify a degradation process that accelerates refractory pyrogenic carbon in coastal sediments. Seawater microdroplets facilitate this electrochemical degradation through interfacial electron transfer pathways, contributing to the ocean's carbon cycle.
A recent study published in Science reveals a vast store of global soil inorganic carbon (SIC) amounting to 2,305 billion tons, surpassing vegetation's combined carbon content. This 'hidden pool' is vulnerable to environmental changes, posing significant risks to ecosystem functions and climate change mitigation strategies.
Researchers successfully synthesized a one-dimensional carbon chain on the Au(111) surface, characterized by bond-resolved atomic force microscopy. The polyynic nature of the carbon chain was unambiguously revealed, and its electronic properties were studied using scanning tunnelling spectroscopy, exhibiting a band gap of 5.8 eV.
Scientists have developed a new method to estimate soil organic carbon in the US, providing a more accurate benchmark for policymakers. The study reveals how environmental variables affect soil organic carbon and offers insights into mitigating climate change through sustainable land management practices.