A new type of activated carbon, cellular activated carbon, has been produced with a bimodal structure featuring both micro and mesopores. The material exhibits high adsorption kinetics due to its larger pores, making it suitable for various industries such as energy storage and catalysis.
Researchers use neutron diffraction to study high-pressure and high-temperature phases of solid carbon dioxide, shedding light on the Earth's carbon cycle and potential for carbon substitution with silicon dioxide. The study provides new insights into the behavior of carbon dioxide under extreme conditions.
Researchers at Michigan Tech created a new way to synthesize sodium-embedded carbon nanowalls, which have two orders of magnitude higher conductivity than three-dimensional graphene. The material also retains high capacity after 5,000 charge/discharge cycles, making it ideal for supercapacitors and energy devices.
Researchers mapped carbon recovery in Amazonian forests after logging activities, finding highest potential in the Guiana Shield and western regions. Surviving trees may be more reliable for storing carbon than newly recruited juveniles.
Researchers at Kyushu University have developed a new simulation method to predict the behavior of oil, carbon dioxide, and water in underground reservoirs. The approach can help identify optimal sites for carbon sequestration, which could significantly increase energy supply and combat climate change.
Researchers at University of Nevada, Reno partner with Earthwatch Institute to study Sierra meadow ecosystems and their carbon storage potential. Citizen scientists from northern California and Reno area participate in project, measuring carbon stored in plants and vegetation.
A global study predicts that soils may release large quantities of carbon dioxide in response to warming, leading to even faster rates of warming globally. Soils in Arctic ecosystems are the most susceptible to releasing stored carbon when warmed.
A new study predicts that global warming will drive the loss of at least 55 trillion kilograms of carbon from soils by mid-century, more than double projected human-related emissions. This loss is expected to be greatest in high latitudes, where cold conditions have allowed massive carbon stocks to build up over thousands of years.
Researchers simulate carbon dissolution in water-rich fluids at the Earth's upper mantle, revealing unexpected forms of carbon, and challenging previous geochemical models. The study suggests that water transports carbon mostly through highly active ions, not dissolved CO2 molecules.
Experts predict that soils will lose a significant amount of their carbon content, leading to increased soil erosion and flood damage. Land use changes and management practices are crucial to mitigate this trend and protect soil functions.
The study reveals that wastewater treatment plants emit an overlooked source of carbon dioxide, which could increase global greenhouse gas emissions by 12-23 percent. Treating wastewater sludge with on-site carbon sequestration and renewable energy could help reduce fossil carbon emissions from these plants.
The Colorado River delta's annual carbon cycle has changed dramatically due to poor water management, with fossil clam shells revealing vast amounts of carbon being added to the atmosphere. The reduced carbon emissions at the delta are vastly outweighed by the carbon emissions from transporting water to cities and farms.
Researchers at the University of Miami Rosenstiel School used data from international scientific cruises to map the distribution of dissolved organic carbon in the Atlantic Ocean. They found that one third of global ocean net production comes from this basin, with nutrient arrival predicting DOC production.
Microbiologist Kristen DeAngelis receives $2.5 million grant from US Department of Energy to study soil microbes' impact on carbon cycle. The research aims to improve understanding of how climate change affects soil carbon storage and develop new methods for modeling microbial contributions to global carbon cycling.
Researchers have compiled a 30-year data set to construct the first ice core-based record of atmospheric oxygen concentrations spanning 800,000 years. The study shows that atmospheric oxygen has declined by 0.7 percent relative to current concentrations, primarily due to fossil fuel burning.
Researchers estimate that seaweed globally sequesters 173 trillion grams of carbon per year, with 90% of this being due to transport into deep-sea sediments. This highlights the significance of seaweed as a major carbon sink, surpassing Amazonian forests.
Researchers at University of Wisconsin-Madison have created carbon nanotube transistors that outperform state-of-the-art silicon transistors, achieving a current 1.9 times higher than silicon transistors. The breakthrough could pave the way for carbon nanotubes to replace silicon in electronic devices.
A recent study challenges the assumption that biofuels are carbon neutral, finding a net increase in CO2 emissions from their use in the US. The research suggests that crop-based biofuels like corn ethanol and biodiesel offer only modest reductions in greenhouse gas emissions.
Researchers at Rice University have developed a recipe to make carbon capture materials the best they can be. Experiments showed that once a sorbent material achieved a surface area of 2,800 square meters per gram, neither more surface area nor larger pores made it more efficient at capturing carbon dioxide.
Researchers at Cornell University have developed an oxygen-assisted aluminum/carbon dioxide power cell that captures CO2 while producing electricity and a valuable oxalate. This technology has the potential to reduce energy consumption in carbon capture systems, making it more commercially viable.
Researchers at Kumamoto University have developed a novel, pot-shaped carbon nanomaterial with a deeper orifice than any previously produced hollow carbon nanostructure. The material's unique characteristic enables it to gradually release substances contained within, making it suitable for applications such as drug delivery systems.
Researchers at Argonne National Laboratory develop new method to convert CO2 into carbon monoxide, a reactant for making methanol fuel. The process is efficient and uses minimal energy, with the catalyst lasting over 100 hours.
A University of Washington study reveals that polar oceans export organic carbon to the deep sea more efficiently than other regions, storing it for centuries. This process, known as the biological pump, highlights the importance of the polar ocean in mitigating climate change.
Dr. Rodney S. Ruoff has been recognized with the SGL Carbon Award for his pioneering discoveries in carbon science, including the understanding of nanostructures and 2D materials. His work has greatly accelerated industrial developments in graphene-based materials and electrical energy storage systems.
Researchers at the University of Exeter found that peatland ecosystems' ability to absorb and store carbon is threatened by rising sea levels due to increased salt concentrations. The study highlights the vulnerability of blanket bogs in Northwest Scotland to sea-level rise, which could lead to a sharp decline in carbon storage.
The IBS team developed a novel approach to synthesize carbon nanostructures by embedding lanthanum ions in zeolite pores, resulting in graphene-like materials with high electrical conductivity. This efficient synthesis strategy enables the scalable production of carbon nanostructures for various applications.
Weizmann Institute researchers successfully engineer E. coli bacteria to consume carbon dioxide and produce sugars, a breakthrough that could help address global food security and climate change. By adapting the bacteria's metabolism through evolution, scientists have created a new tool for studying and improving carbon fixation.
Research by Dr Iain Hartley at the University of Exeter found that carbon dioxide is the biggest player in controlling future rates of permafrost thaw. Soils with dry conditions release more than three times as much carbon as those with wet, low-oxygen conditions.
A study published in Nature Climate Change found that carbon dioxide emissions from dry soils will strengthen the climate forcing impact of thawing permafrost. In contrast, oxygen-poor wetlands primarily release methane. The research highlights the need to monitor changes in soil moisture conditions, which have a greater effect on carb...
A study by Northern Arizona University's Christina Schädel found that carbon dioxide is the largest contributor to permafrost thawing, with dry soils releasing more CO2 than wet ones. This discovery highlights the need to monitor changes in soil moisture conditions to better understand the impact of permafrost thawing on climate change.
Researchers used computer modeling to predict viscosity in CO2 capture materials, allowing for the design of low-viscosity liquids that can efficiently bind carbon dioxide. This could lead to cost savings and improved efficiency in carbon capture technology.
Tropical forests store vast amounts of carbon through photosynthesis, but the impact of large animals on seed dispersal affects this process. A study found that tree species dependent on large animals for seed dispersal have higher carbon storage potential than those with smaller seeds.
Despite a severe drought, the contiguous United States remained a carbon sink in 2012, absorbing more carbon during warmer springs and releasing less during dry summers. The unique combination of measured data from various sources allowed researchers to calculate the carbon exchange for the entire US during this period.
A Dartmouth study finds that clear-cutting forest soils increases carbon release, contributing to climate change. Soils store up to 50% of total ecosystem carbon, and logging disrupts soil carbon dynamics.
Researchers have stabilised ultra-long carbyne chains with over 6,400 carbon atoms, surpassing previous records. The new method uses double-walled carbon nanotubes to create the stable chains, which could lead to new nano-electronic applications.
Researchers found trees exchange large quantities of carbon among different species through mycorrhizal fungi. This discovery questions the concept of tree individuality and adds a new dimension to the role of these fungal networks in forests.
Researchers have synthesized micrometer length-scale carbon chains, surpassing previous records by more than one order of magnitude. The discovery confirms the existence of ultra-long linear carbon chains, also known as carbyne, using various advanced spectroscopic and microscopic techniques.
Researchers used foraminifera, tiny ocean dwellers, to reconstruct past oxygen levels and determine how much carbon dioxide was stored in the oceans during ice ages. The study provides insight into natural climate cycles and may help predict future environmental changes.
The article discusses a scientific plan developed by UCSB researchers to quantify present conditions in the ocean's carbon cycle and predict its future states. The plan, known as EXPORTS, combines modeling, satellite data, and field sampling to understand how carbon is processed by the world's oceans.
A new Dartmouth study finds that Arctic soils are releasing stored carbon into the atmosphere at an accelerated rate due to rising temperatures and moisture levels. The research suggests that warmer conditions could create a positive feedback loop, further boosting global temperatures.
A new study published in Proceedings of the National Academy of Sciences confirmed that the ocean played a significant role in the rise of atmospheric carbon dioxide during the last deglaciation. The researchers found that during this period, there were rapid releases of carbon from land sources such as plants and soils, contributing t...
Researchers at Vanderbilt University and George Washington University have developed a way to convert carbon dioxide into batteries using graphite electrodes replaced with carbon material recovered from the atmosphere. This process produces carbon nanotubes that can be incorporated into lithium-ion and sodium-ion batteries, offering a ...
Scientists have made significant breakthroughs in understanding the ocean's role in absorbing carbon dioxide from the atmosphere. Using satellite and ship measurements, they found that around a quarter of the CO2 released into the atmosphere ends up in the oceans, equivalent to two million double-decker buses or 72,000 Boeing 747s annu...
Research shows carbon footprint labels influence consumer choice, with usage-related emissions being most important factor. Consumers value recycling and prefer manufacturers to offset emissions, rather than taking direct action.
Researchers investigated how carbon dioxide interacts with host rocks like limestone and sandstone. They found that limestone becomes more permeable when dissolved in saltwater-carbon dioxide mixture, while sandstone's cement degrades.
A study has uncovered a complex planktonic network influencing the ocean's biological carbon pump, which removes carbon from the atmosphere. The research found that certain bacterial and viral genes predict variations in carbon export, enabling better predictions of climate change effects.
A new study reveals that giant icebergs in the Southern Ocean contribute significantly to carbon sequestration, with enhanced phytoplankton productivity extending hundreds of kilometers beyond the iceberg's length. This process helps slow global warming by storing atmospheric carbon dioxide.
The ORCAS field campaign aims to understand the role of the Southern Ocean in absorbing excess carbon dioxide emitted into the atmosphere. By tracking oxygen and carbon dioxide levels, scientists will gain insights into the ocean's ability to act as a carbon sink.
A new study reveals that freshwater rivers and streams transport or store more than 220 billion pounds of carbon each year. This finds that the actual carbon storage in forests is decreased by almost 30 percent once accounting for the leaking carbon into aquatic environments.
A global challenge is launched to discover new carbon-bearing minerals, with an estimated 145 yet-to-be-described minerals waiting discovery. Researchers believe most of these minerals will be hydrous carbonates, potentially making them challenging for collectors to find.
Researchers from North Carolina State University have discovered a new phase of solid carbon, called Q-carbon, which has unusual characteristics such as ferromagnetism. They have developed a technique for creating diamond-related structures at room temperature and ambient atmospheric pressure using Q-carbon.
A recent study published in Frontiers in Earth Science found that climate change is likely to increase the input of black carbon to the Arctic Ocean. The team, led by University of Georgia Skidaway Institute of Oceanography scientist Aron Stubbins, discovered that black carbon stored in Arctic soils is being exported to the oceans.
Research suggests certain types of carbon-intensive algae are flourishing as carbon pumps, removing CO2 from the atmosphere. A shift in phytoplankton dominance occurred over the past millennium, with a more recent transition happening in less than 200 years.
The US Forest Service found that forest carbon sequestration may decline overall over the next 25 years, with some regions experiencing a gradual decline and others a rapid decline due to disturbances like fire and insect epidemics.
Researchers found that dissolved organic carbon is efficiently removed from ocean water when heated to mimic hydrothermal vent conditions. This process converts the organic molecules into carbon dioxide, reducing oceanic carbon storage.
A new study finds that Alaskan permafrost soil is biodegradable, releasing its stored carbon directly back into the atmosphere as CO2. The process occurs rapidly, with almost half of the carbon being consumed by microbes within 200 hours.
Researchers found that over half of the dissolved organic carbon in ancient yedoma permafrost decomposes within one week after thawing, producing significant amounts of carbon dioxide. This rapid decomposition is attributed to high concentrations of easily degradable organic acids, posing a critical threat to aquatic ecosystems.
A new University of Iowa study found that tree planting in the Twin Cities region offsets only one percent of the area's carbon emissions. The research identified 'hotspots' where trees are scarce and carbon generation is high, suggesting targeted tree-planting efforts may help balance carbon supply and demand.
Research in Alaska's Yukon Flats reveals massive carbon losses due to increasing fire frequency, challenging assumptions about recent fire activity. The study finds that the region has become a net exporter of carbon, posing a significant threat to the global carbon cycle and climate balance.
A recent study published in Proceedings of the National Academy of Sciences found that climbing vines are significantly reducing carbon storage in tropical forests by crowding out and killing trees. The researchers discovered that woody climbing plants, or lianas, substantially reduce forest-level carbon uptake and storage.