Articles tagged with Carbon Sequestration
Researchers found that phytoplankton in the eastern equatorial Pacific were fertilized by iron from the seafloor during ice-age transitions. This suggests a possible feedback loop connecting sea level, seafloor volcanism, and ocean biology, with potential implications for climate change.
Researchers found that biogas slurry enhances soil fertility and increases active carbon levels by up to 13.4% compared to conventional chemical fertilizer topdressing. The treatment also promotes cooperative microbial interactions, supporting nutrient cycling and climate change mitigation.
Mangrove forests worldwide are no longer in net decline and are now growing overall, driven by natural regeneration and expansion. The research highlights a more hopeful trajectory for these ecosystems, which play a critical role in protecting coastlines and storing climate-warming carbon.
A new international study challenges long-held beliefs about how ecosystems absorb carbon under global warming. Plants are using water more efficiently while developing larger canopies to absorb light and fix carbon, making this the dominant factor in determining carbon dioxide uptake.
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.
Researchers have found that karst reservoirs are exceptionally effective at capturing and storing atmospheric carbon due to a unique combination of geology and biology. The study reveals that these ecosystems produce a large amount of organic carbon, which is then efficiently converted and locked away in a highly stable form.
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.
A research team found that tropical forest plants increase root carbon exudation to stimulate phosphatase activity and release organic acids to dissolve mineral-bound P. The organic acid pathway drove twice as much P release as the phosphatase pathway.
A comprehensive review reveals that deep soil contains a colossal amount of carbon, estimated at over 850 petagrams worldwide, and is significantly more stable than surface layers due to strong interaction with clay minerals. The review outlines several agricultural strategies to protect and enhance deep soil carbon stocks.
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.
Researchers found that microplastics can reduce carbon uptake by 25,000 and 48,000 tonnes in arid and tropical regions. The study incorporated the effect of microplastics on carbon uptake into a life cycle assessment of plastics.
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.
A new study reveals that declining floating-leaf plants release harmful nutrients, but also trigger a microbial process that converts simple organic matter into resilient, long-term carbon storage. This process enhances the lake's ability to sequester carbon through a microbial carbon pump.
A new study finds hitchhiking bacteria dissolve essential ballast in ubiquitous
The 22nd Carbon Research International Forum will examine the benefits of organic carbon amendments for improving soil health and sequestrating carbon in agricultural systems. Researchers will discuss recent approaches to managing organic carbon inputs in soils to support both productivity and climate outcomes.
A recent study co-authored by NAU researchers found that fires in northern Canada have a net cooling effect when coupled with snowpack, but this is outweighed by the warming effects of permafrost carbon released from fires in Alaska. This highlights the need for land and fire managers to reconsider how wildland fires are managed.
A new process-based model, SAL-GPP, has been developed to accurately assess the carbon sequestration capacity of global salt marshes. The model reveals that global salt marshes have an average annual gross primary production of 66.89 Tg C yr⁻¹, with hotspots in regions like China's southeastern coast and Western Europe.
The study found that carbonation occurred during shallow crustal extension, challenging earlier interpretations of deep subduction environments. Naturally carbonated ultramafic rocks provide a valuable natural analogue for long-term carbon storage in solid minerals.
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.
Researchers discover that seaweed farms drive a climate-friendly feedback by producing alkalinity, which shifts the chemistry of the water and removes CO2. The process is more permanent than previously thought, making seaweed farms an ideal system for carbon sequestration.
A comprehensive review reveals that biochar improves soil carbon storage, reduces greenhouse gases, and provides practical frameworks to measure its climate benefits. Biochar's dual carbon sequestration effect stores carbon directly while protecting existing soil organic carbon from decomposition.
Researchers at Norway's NTNU are using advanced geophysical methods to improve the accuracy of carbon capture and storage site monitoring. A new laboratory equipped with a mock-up of an undersea storage site allows for real-time testing and validation of monitoring techniques. This breakthrough could reduce costs and improve the effici...
Climate warming stimulates sphagnum growth, promotes iron protection, and inhibits microbial decomposition in boreal peatlands. This leads to increased soil carbon accumulation, potentially offsetting half of the decline in boreal forest carbon sink under future warming.
A new study reveals a surprising link between West Antarctic Ice Sheet retreat and algae growth over the past 500,000 years. Iron-rich sediments from icebergs stimulate algae growth, but in a less bioavailable form than previously assumed.
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.
The conference will feature sessions on biochar innovation and real-world impact in materials science, environmental policy, and sustainable agriculture. The journal Biochar and Carbon Research are also being promoted.
Research found that deciduous tree dominance reduces wildfire carbon losses in boreal forests, storing more carbon above ground and releasing less in deep organic soils. This shift could help slow climate warming by reducing carbon emissions per unit area burned.
A new study reveals that tropical forests can regrow up to 95% faster when given sufficient nitrogen, allowing them to absorb more carbon dioxide. This finding suggests that targeting nitrogen pollution from farms and factories may be crucial in helping young forests recover and act as natural climate solutions.
A team of scientists, led by UC Santa Barbara's David Siegel, embarked on a research expedition to the North Atlantic to study the ocean's carbon cycle. They found that tiny organic particles, known as marine snow, transport carbon from the surface to depths, and this process is critical for understanding Earth's climate.
A new study reveals that microbialites in South Africa are thriving, growing up to 2 inches vertically every year. They absorb carbon day and night through metabolic processes, making them one of the most efficient biological mechanisms for long-term carbon storage observed in nature.
Researchers have discovered that iron oxide minerals like ferrihydrite employ different chemical strategies to grab and hold onto various types of organic molecules, making them powerful carbon traps. This study provides new insight into how these minerals in soils trap carbon for decades or centuries.
China's urban forests have grown significantly since 2010, increasing by 16.07 × 10^4 km² and storing up to 522.7 Tg C by 2060. The carbon sequestration rate peaked in 2015-2020, with a range of 1.92-22.8 Tg C/year.
Researchers at Colorado State University found that some tropical forest plants are adapting to drought by growing longer root systems, potentially helping reduce vulnerability. The study's findings suggest flexibility under drying conditions may rescue the forest, but long-term implications remain uncertain.
A new study highlights the importance of protecting coastal ecosystems while building long-term environmental and cultural knowledge. The research, co-designed by Indigenous leadership and RMIT University scientists, found that a mangrove forest on the Barron River estuary stores over 2,000 tonnes of carbon annually.
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 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.
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 study proposes concrete solutions to increase Africa's food production while reducing greenhouse gas emissions. Analyzing Africa and China, the research highlights water management in rice paddies, modernizing logistics chains, and improving livestock feeding to curb emissions.
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.
Researchers have developed new eDNA tools to quantify kelp-derived biomass in sediments below commercial kelp farms. The study confirms that kelp aquaculture has little impact on the seafloor community and provides evidence for using eDNA to examine 'blue carbon' accounting efforts.
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.
A new study found that proactive forest management can significantly reduce the risk of high-severity wildfires by 88% and stabilize carbon stocks. The research analyzed over 200 fuel reduction projects in California's Central Sierra and found that treated forests stored carbon more durably, even after extreme droughts.
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.
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.
New research highlights four components where nature-based climate actions have fallen short, including inadequate accounting for albedo and carbon leakage. The study proposes reforms to improve the performance and scalability of these strategies.
A new study using NASA's PACE satellite data established a novel method to determine global plant productivity. The technique relies on the light plants reflect, allowing for accurate capture of short-term changes. This approach has significant implications for understanding carbon sequestration, climate change, and ecosystem monitoring.
A new study has revealed that the world's largest tropical peatlands in the Congo Basin are approximately 42,000 years old, significantly older than previously thought. The peatlands store a substantial amount of carbon, equivalent to three years of global fossil fuel emissions.
Researchers have used a dynamic global wetland water level dataset to assess the spatiotemporal dynamics of wetland carbon sequestration. They found that tropical wetlands contribute 70% to global C sequestration, with South America, Asia, and Africa being the top three continents.
A global inventory reveals that natural areas have access to about a quarter less nitrogen than previously estimated, which could limit the removal of carbon from the atmosphere. This finding has implications for natural climate solutions, as nitrogen is essential to plant growth.
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.
Restoration efforts have shown promising results, with satellite data indicating that restored peatlands' temperature and albedo improve over time. However, the return of vegetation is slower, emphasizing the need for additional measures.
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.
Researchers used a data-driven approach to filter out ideal tree species for urban forests, mapping carbon stock and biogenic volatile organic compounds (BVOCs) emissions of six dominant urban tree species in Beijing. The study identified two optimal species: Betula platyphylla for high-altitude areas and Robinia pseudoacacia for urban...
A new study reveals that thunderstorms are a major cause of tree death in tropical forests, explaining patterns of mortality and carbon storage. The research highlights the growing threat of storms to trees and the planet's carbon stores.
A groundbreaking study reveals that small zooplankton like copepods and krill enhance carbon sequestration through seasonal migrations. These tiny creatures store around 65 million tonnes of carbon annually in the deep ocean.
Researchers estimate that burying wood debris from managed forests can capture between 770 and 937 gigatons of carbon dioxide, resulting in a reduction of global temperatures by up to 0.42 degrees Celsius. This method is considered low-tech, sustainable, and relatively simple.
Researchers developed a model to detect early signs of marsh decline using satellite observations, identifying vulnerable areas along Georgia's coast. The study found belowground biomass has declined across 72% of Georgia's coastal marsh since 2014.