A study by Duke University researchers found that manganese stimulates decomposition of soil organic matter and releases more carbon dioxide into the atmosphere.
Scientists highlight tidal wetlands beyond mangroves, saltmarshes and seagrass as Blue Carbon ecosystems, offering biodiversity conservation and carbon sequestration benefits.
A new study finds a significant increase in aboveground carbon in Southwest China from 2013 to 2021, contrary to expected effects of extreme droughts. This suggests the region's role as a substantial carbon sink, thanks to ecological projects and remote sensing techniques.
International research led by CSU suggests studying root function in tropical forests can improve climate change predictions. Tropical forests contain 30% of global soil carbon, with roots acting as 'carbon banks' that can help mitigate climate change.
A new study finds that mountains can switch from being a sink of carbon dioxide to a source as their erosion rate increases. The optimal erosion rate for maximizing carbon dioxide removal through mineral weathering is approximately 0.1 millimeter per year.
Mangrove forests in regions like southern India and eastern Australia are affected by human development, leading to a decline in global mangrove carbon stocks. The study predicts an annual rate of carbon emissions from mangrove loss will rise to 3,392 Teragrams by the end of the century.
Scientists at Oregon State University have made a significant advance in capturing carbon dioxide from the air using vanadium peroxide molecules. The technology has been shown to react with and bind carbon dioxide effectively, making it a promising candidate for improving direct air capture methods.
Researchers found that electrostatic charges, structural features of carbon molecules, and surrounding metal nutrients play major roles in soil's ability to trap carbon. The study aims to help predict which soil chemistries are most favorable for trapping carbon.
Tidal landscapes like mangroves and salt marshes are a greater carbon sink than previously thought, with stored carbon in biomass and muddy soils contributing to climate change mitigation. The new findings also show that bicarbonate exports from these ecosystems double the size of the carbon trap, making them even more effective.
A landmark study by National Geographic Pristine Seas finds that bottom trawling releases up to 370 million metric tons of carbon dioxide into the atmosphere annually. The research also reveals high carbon emissions in areas such as East China Sea, Baltic, and North Seas.
Scientists at Brookhaven National Laboratory and Columbia University developed a tandem electrocatalytic-thermocatalytic conversion method to convert CO2 into carbon nanofibers. This approach can occur at relatively low temperatures, around 400°C, making it a more practical and industrially achievable process.
A recent study found that beef operations with lifelong grass-based diets may produce a 42% higher carbon footprint when considering soil carbon sequestration and carbon opportunity costs. This is in contrast to grain-finished operations, which have been previously shown to have a lower environmental impact. The study's findings emphas...
Global carbon dioxide emissions from fossil fuel use reached a record high of 36.8 billion metric tons in 2023, surpassing the previous year's level by 1.1%. The remaining carbon budget for limiting warming to 1.5°C could be used up in seven years if current levels of emissions continue.
Researchers develop a method to verify whether carbon in concrete comes from air or raw materials. By analyzing carbon isotopes, they can confirm direct air capture and certify offsetting CO2 emissions. This technology is crucial for the construction industry and supports a circular economy.
Recent US legislation aims to increase fire management and tree planting to reduce large destructive fires and promote carbon sequestration. Fuel reduction activities are projected to remove 194-288 million metric tons of carbon from western forests over the next decade.
Researchers use rhenium as a proxy for carbon to quantify the rate of fossil carbon dioxide release into the atmosphere. The study found that high rates of carbon breakdown persist from mountaintop to floodplain, offering valuable insights into the planet's history and response to climate challenges.
A new study found that mixed forests with four species have the highest carbon stocks relative to monocultures, increasing above ground carbon stocks by at least 70%. The results demonstrate the potential of diversification in planted forests to enhance carbon storage and support biodiversity.
A new RMIT study reveals that feral horses can release significant amounts of carbon dioxide from Australian alpine peatlands, compromising their ability to capture and store carbon. The research found that degraded peatlands, caused by horse trampling and grazing, emit more carbon than intact sites.
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.
A new study finds that the global carbon budget for keeping warming below 1.5°C will be exhausted by 2029 if current emissions continue, committing the world to this level of warming. The remaining budget has approximately halved since 2020 due to increased greenhouse gas emissions.
Researchers at Northwestern University have developed a novel approach to capture carbon from ambient environmental conditions, using innovative kinetic methodologies and a diversity of ions. The 'moisture-swing' technique captures CO2 at low humidities and releases it at high humidities, enabling carbon removal from virtually anywhere.
Researchers suggest transforming arid ecosystems into efficient carbon-capture systems by engineering ideal combinations of plants, soil microbes, and soil type. This approach could result in significant increases in plant and soil carbon sequestration within less than ten years.
A new study sheds light on US forest carbon offset projects, revealing that most credits are issued for improved forest management practices rather than planting trees or protecting forests. Researchers also found that 26% of projects are in areas of moderate wildfire hazard, posing a risk to the stored carbon.
A recent study found that grasses account for over half of the soil carbon content across tropical savannas, including soils directly beneath trees. The researchers' findings suggest that increasing tree cover in these ecosystems has a negligible impact on soil carbon storage.
A study published in Science found that overestimations of forest preservation in voluntary REDD+ projects result in the generation of millions of worthless carbon credits. The research team calculated that only 6% of these credits are linked to actual reductions in carbon emissions.
Researchers in East Europe have recalculated the carbon sinks in the region, finding that they stored most of Europe's carbon between 2010 and 2019. However, data shows a decline in carbon absorption over time, with timber extraction having the biggest influence on the land-based carbon sink.
Researchers developed a new type of battery using sheet-like hard carbon and activated carbon with improved structural stability. The materials showed high specific energy and power output, lasting almost no loss in performance after 1,000 charge-discharge cycles.
A team of scientists found coexisting diamond-magnesite-methane inclusions in deep mantle wedge peridotite using 3D Raman imaging. This discovery has significant implications for understanding the deep carbon cycle and carbon transport processes in subduction zones.
A new model, the Carbon Neutrality Capacity Index (CNCI), evaluates contributions from various carbon sinks, including rock weathering and vegetation. The study reveals that Guizhou has a significantly higher CNCI than China's average, with regions like Libo and Pingtang showing surpluses.
A recent study found that warming in Northern ecosystems leads to a massive loss of carbon in the soil, with up to 40% released into the atmosphere within years after warming. The research team also discovered that plant productivity becomes nitrogen limited under warming conditions, reducing the ecosystem's ability to store carbon.
Researchers at Oregon State University have developed a new, cost-effective way to capture carbon dioxide from industrial emissions. The method uses a nanomaterial called a metal-organic framework (MOF) that can selectively adsorb CO2 in humid conditions, making it suitable for post-combustion applications.
The Carbon SMART project trains farmers to monitor carbon levels in soil and practice climate-smart conservation practices, increasing soil health. The team will primarily work with farmers from underserved communities, monitoring the success of various conservation methods.
A study suggests that global seaweed farming may not be feasible due to the vast ocean areas needed to capture sufficient carbon. To harvest one gigatonne of seaweed-captured carbon annually, over one million square kilometres of productive EEZ waters are required.
A novel framework guides informed and effective soil management as carbon sinks, considering context-dependent environmental conditions. Management targeting 'labile' carbon is more effective in increasing carbon sequestration than focusing on 'stabilized' carbon.
A study by University of Zurich researchers found that global warming is accelerating the decomposition of soil humus and affecting plant storage of carbon. The findings have significant implications for relying on soils as a natural carbon sink to tackle global warming.
A decade-long study reveals that warmer temperatures lead to significant loss of organic compounds in deep forest soils, affecting carbon sequestration. This finding has implications for natural carbon sinks and soil management practices.
A study by University of Waterloo researchers reveals that Canada's carbon price regime exposes high-emitting industries to significant default risks, with assets worth $256 billion at risk. Financial lenders must consider carbon emissions in credit risk assessments to mitigate this risk.
A recent study has found that microbes play a crucial role in storing carbon in the soil, with a four-fold greater importance than other processes. This breakthrough could lead to improved soil health and increased food security through targeted farm management practices.
A new study finds that mycorrhizal fungi store up to 36% of yearly global fossil fuel emissions' carbon, equivalent to roughly 13 gigatons. This vast underground network is essential to both storing carbon and global biodiversity.
Researchers found that warming conditions can shift mixotrophic microbes from carbon sinks to carbon emitters, potentially accelerating warming and creating a positive feedback loop. These tiny microbes, abundant in freshwater and marine environments, could act as early warning signals for climate change tipping points.
Restoring blue carbon ecosystems like seagrasses and mangroves can remove additional carbon from the atmosphere while combating ocean acidity. This process, known as inorganic carbon capture, is potentially more durable than organic carbon burial.
New research from Bigelow Laboratory for Ocean Sciences reveals that coccolithophores can survive in low-light conditions by taking up dissolved organic forms of carbon. This finding challenges current understanding of the biological and alkalinity pumps driving carbon transport in the ocean.
A WVU researcher is creating mathematical models to predict how bioenergy crops enhance and store soil carbon, potentially spurring renewable energy from biological sources. The model considers factors like plant roots, microbes, and feedstocks to determine net carbon benefits or losses.
Researchers from FSU analyzed the California Current Ecosystem's carbon sequestration, discovering that sinking particles are the primary process transporting organic carbon to the deep ocean. They also found that ocean currents and zooplankton contribute significantly to this process.
Existing global forests could store an additional 44.1 petagrams of carbon if left unmanaged, but this would only offset 4 years of CO2 emissions under current rates. The study's findings highlight the limited carbon sequestration potential of unmanaged global forests.
Gracilaria cultivation in China has shown a great annual growth trend, with predicted net carbon sink from 2021 to 2030 doubling that of the last decade. This could contribute significantly to achieving China's carbon peak goal.
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.
A Bangor University paper quantifies the carbon benefits of ending bottom trawling, finding only a small fraction of seabed carbon reacts to disturbance. The study challenges the validity of previous claims and suggests using 'carbon credits' for banning trawling may actually increase overall CO2 emissions.
A new metric, called the carbon storage (CS) factor, enables urban planners to evaluate how a new development will affect the city's carbon balance. By using the right kind of wooden construction technologies, up to 70% of future construction can preserve lost forest carbon storage capacity.
The study improves the accuracy of black carbon's refractive index, revealing it may contribute up to 16% to atmospheric warming, affecting climate models. The method developed can be applied to other particles in the atmosphere and ocean.
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.
A Penn State-led team will study the impact of macrobiota, such as clams and seagrasses, on carbon cycling in estuaries, which regulate atmospheric carbon dioxide. The research aims to quantify macrobiota's contribution to carbon and alkalinity dynamics and improve predictive models.
Scientists warn that tropical forests' capacity to act as a carbon sink is declining due to persistent drought. The study found that soil nutrients play a significant role in carbon storage and release, contradicting previous models. Researchers are urging action to address emissions and increase carbon sequestration initiatives.
The study found that 68% of carbon contributions come from single-use items, with production and waste disposal contributing significantly. Reusable alternatives for products like gowns, drapes, and instrument table drapes can reduce carbon footprint by one third.
Increased droughts are disrupting soil microbes' ability to capture carbon, threatening plant productivity and greenhouse gas levels. Research suggests that if drought-adapted microbes outcompete carbon-sequestering microbes, it could lead to carbon-depleted soils with severe implications.
Scientists have mapped the largest known woody deposit in the Mackenzie River Delta, finding it stores about 3.4 million tons of carbon. The deposit, covering 51 square kilometers, is an important part of the carbon cycle and has significant implications for climate change.
Researchers propose using agro-sequestration to capture carbon from the air by growing biomass crops and burying them in engineered dry biolandfills. The addition of salt helps prevent decomposition, allowing for stable sequestration of up to 2 tonnes of carbon dioxide per tonne of biomass.
A new study predicts US forests may lose significant carbon storage due to climate change, compromising their role as a climate solution. The researchers used multi-perspective modeling approaches to forecast changes in aboveground carbon storage in different regions.
A new study by University of Utah researchers finds that US forests may lose carbon through fire, stress, and insect damage, compromising their role as a climate solution. The study suggests urgent need to update carbon offset protocols with best available science on climate risks.
A model shows enhanced rock weathering will only leak minimal carbon if its products are stored in the ocean. The technique may help constrain global warming below 1.5ºC or 2ºC by century's end.