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.
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.
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.
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.
A recent VIMS study uses a new computer model to simulate the impact of sea-level rise on coastal carbon storage. The research found that moderate rates of sea-level rise enhance plant productivity and carbon preservation, while rapid rise rates can lead to marsh collapse and decreased carbon storage.
Researchers developed an algorithm using quantum computing to study amine reactions and find new compounds for carbon capture. The algorithm can quickly screen thousands of molecules and structures, vital for practical applications in fields like carbon capture.
A Chinese research team developed a silver-modified polyoxometalate photocatalyst that simultaneously cleaves carbon-carbon and carbon-nitrogen bonds under visible light, unlocking new avenues for sustainable chemicals. The compound can be reused up to six times without loss of activity.
A new collaborative project led by the University of Liverpool aims to investigate the Gulf Stream's role in transporting nutrients and carbon, and its effect on the ocean's carbon uptake. The four-year programme will use cutting-edge sensors and models to better understand how the Gulf Stream influences climate change.
The study reveals that nitrogen input stimulates plant primary productivity but decreases microbial activities, while carbon input increases nitrogen fixation and mineralization. This dynamic adjustment of carbon and nitrogen cycles has important implications for modeling ecosystem carbon sequestration under global change.
A new study reveals that boreal fires contributed 23% of global fire carbon dioxide emissions in 2021, surpassing previous records. The research suggests a link between extensive boreal fires and climate drivers, such as temperature increases and heatwaves.
A landmark study found that climate change is causing dramatic changes in forests and other habitats, leading to reduced carbon absorption. Regions with high temperatures, deforestation, and farming are most at risk of abrupt landscape changes, which could lead to permanent loss of forestland.
A new study published in Biogeosciences suggests that agricultural soil erosion may actually create an organic carbon sink, rather than a source. The researchers argue that the 'geomorphic OC pump' transfers organic carbon from the atmosphere to upland soils, which can be stored in sedimentary environments.
Research collaboration reveals moisture is key to soil's carbon storage capacity, not temperature or mineral content. The study suggests that climate change may impact soil carbon and threaten ecosystem services.
Research reveals hydrothermal vents as a previously undiscovered source of dissolved black carbon in the oceans, transporting it thousands of kilometers away. This discovery sheds light on the ocean's role as a carbon sink and provides insights into the formation of recalcitrant dissolved organic carbon.
Researchers are exploring how a kind of clay can soak up carbon dioxide and store it, potentially reducing the impact of climate change. The study found that carbon dioxide is more stable in wet clay nanopores than in plain water.
Researchers have discovered a new form of carbon, LOPC, which consists of 'broken C60 cages' connected by long-range periodicity. The formation of LOPC occurs under specific temperature and carbon/Li3N ratio conditions, and its characterization reveals unique electrical conductivity properties.
Scientists have discovered a new form of carbon, LOPC, formed by heating fullerenes with lithium nitride. The new carbon consists of 'broken C60 cages' connected with long-range periodicity, exhibiting unique electrical conductivity properties.
A new study finds that tropical forests recovering from logging are a source of carbon due to soil and rotting wood releasing more carbon than new growth can absorb. The study highlights the need for sustainable logging practices to minimize collateral damage.
A study by the University of Illinois Agroecosystem Sustainability Center provides new insights for quantifying cropland carbon budgets and soil carbon credits. Researchers found that high-accuracy SOC concentration measurements are needed to quantify a cropland carbon budget, but current publicly available soil datasets are sufficient...
A new study reveals that climate warming can reduce the burial of organic carbon beneath the ocean, leading to increased atmospheric carbon release. Researchers analyzed over 50 years of seafloor sediment cores, finding a significant decrease in organic carbon burial during certain periods, particularly during the mid-Miocene era.
Researchers developed a new approach to determine the rate of organic carbon burial in marine sediments, using data from deep-sea drilling sites. This method provides more accurate results than traditional isotope calculations, revealing higher rates of carbon sequestration during warm periods and lower rates during cooling intervals.
A Nagoya University study found that increased use of pharmaceuticals and medical supplies during the COVID-19 pandemic contributed to a 27% increase in hospital carbon emissions. Despite reduced electricity and gas consumption, the overall carbon footprint rose due to longer hospital stays and increased intensive care needs.
Researchers explore the importance of understanding whale carbon sequestration potential to combat climate change. Whales can store more carbon than small animals, influencing nutrient dynamics and carbon cycling over ocean-basin scales.
Researchers at UIC have created an integrated system that captures carbon dioxide from flue gas and converts it to high-purity ethylene, achieving net-negative carbon emissions. The system's modular design allows for easy scaling up and down, making it a potential breakthrough in sustainable ethylene production.
A new study reveals that fjords store 11-12% of the ocean's carbon, making them small but mighty planetary 'thermostats' that regulate temperature. Fjords are highly reactive, releasing carbon back into the atmosphere during glacial periods.
Researchers developed a Janus carbon electrocatalyst with different heteroatom doping levels on both sides to resolve the trade-off between intrinsic activity and electronic conductivity. The hybrid showed significantly improved activity in hydrazine oxidation reactions compared to single counterparts and physical mixtures.
Researchers at Hong Kong University of Science and Technology have discovered that CO2 in the deep Earth's dissolution in water may be more active than previously thought, influencing global climate over geologic time. Confining CO2 and water in suitable nanoporous minerals enhances underground carbon storage efficiency.
The Congo peatlands, the world's largest tropical peatland complex, are fragile and vulnerable to drought. If modern-day global heating produces droughts in the region, they could release up to 30 billion tonnes of carbon, accelerating climate change.
A 16-year-long study by Indian Institute of Science researchers found that large mammalian herbivores like yak and ibex stabilize soil carbon levels, which is crucial for offsetting climate change effects. The study showed that grazing animals reduce fluctuations in soil carbon, ensuring its persistence.
A systematic review and meta-analysis found that pulse oximetry has a high false negative rate, making it inaccurate for triaging patients with suspected carbon monoxide poisoning. The researchers recommend developing alternative methods for rapid screening of carbon monoxide levels in capillaries.
New research shows that elevated carbon dioxide levels in forests in the US have increased wood volume by up to 20%, making trees more efficient at absorbing carbon dioxide. This phenomenon is called carbon fertilization and can help mitigate climate change, potentially reducing costs associated with mitigation efforts.
Researchers at University of Illinois Chicago developed a method to convert 100% of captured carbon dioxide into ethylene, producing hydrocarbons with high purity. The process uses electrolysis and can recycle almost all carbon dioxide captured, making it carbon negative when powered by renewable energy.
Researchers provide a fresh analysis of grassland soil carbon sequestration, highlighting the importance of microbial transformations and necromass. They found that 80% of European grasslands have unmet potential for carbon storage, while high biodiversity promotes carbon storage.
A new USDA Forest Service study projects that residential structures will continue to increase carbon storage through 2070 and beyond. The research examines how population growth and income can be combined to project rates of new housing construction and its impact on carbon storage in wood products.
Researchers found that California's forest carbon buffer pool has depleted at least 95% of its contributions within the first 10 years due to wildfires and disease. The program's self-insurance mechanism is unable to guarantee that credited forest carbon remains out of the atmosphere for at least 100 years.
Researchers have created a cheap and energy-efficient way to capture carbon dioxide from smokestacks using porous melamine material. The process is simple to make and requires primarily off-the-shelf melamine powder, making it a promising solution for scaling down carbon emissions from vehicle exhaust or other movable sources.
A new study challenges the notion that restoring coastal vegetation like mangroves and seagrass can significantly remove CO2 from the atmosphere. The review highlights seven reasons why blue carbon accounting is uncertain, including high variability in carbon burial rates and vulnerability to climate change.
A research team at KIST has developed an ultra-high-strength and ultra-high-modulus carbon nanotube fiber material through a joint research project. The fibers exhibit high strength and modulus characteristics, with potential applications in space-related environments.
Researchers highlight the importance of linking carbon conservation with threatened forest primates, which could enhance climate action and biodiversity protection. The study found that 15.5 gigatonnes of irrecoverable carbon are stored in areas with high primate species richness, equivalent to 40% of current annual fossil fuel emissions.
Metal-organic frameworks based catalysts offer an alternative to traditional catalysts for hydrogenation of carbon dioxide. Researchers have systematically reviewed various metal-organic frameworks based catalysts for selective hydrogenation of carbon dioxide, identifying their potential in future applications.
A new modeling study predicts that coastal marsh migration will release more carbon into the atmosphere, exacerbating climate change. As marshes move inland due to sea level rise, they convert land from a net carbon sink to a net carbon source, releasing stored carbon into the air.
Scientists from Tsinghua University have constructed catalysts using a fluorine-doping method, enhancing their performance in reducing carbon dioxide into valuable chemicals. The researchers found that the fluorine-doping stabilizes Fe3+ sites, improving the catalyst's efficiency and stability.