A comprehensive analysis reveals that biochar application generally increases soil organic carbon stocks, with significant regional variations observed. Microbial trophic strategies play a key role in regulating carbon gains, shifting from copiotrophic to oligotrophic taxa over time.
BIOCHAR has achieved a 2025 Impact Factor of 15.1, ranking No. 1 worldwide in Soil Science for five consecutive years and 11th among 395 journals in Environmental Sciences. The journal publishes original studies on biochar production, processing, and applications in fields like agronomy, environmental science, and materials science.
A new 8-year field study found that biochar's benefits in improving soil fertility and nutrient availability were short-lived, lasting only 3-5 years. Biochar application rates can affect its persistence, with moderate rates offering the best balance between effectiveness and duration.
A new study reveals how iron minerals trigger the release of potent greenhouse gases like methane and carbon dioxide from paddy soils during flooding. Microbial communities then drive further decomposition, leading to a net decrease in overall carbon stability.
The review assesses MOFs' potential in managing strategic gases like CO₂, CH₄, and H₂. MOFs possess exceptional tunability and unique attributes that enable significant CO₂ uptakes, high methane storage capacities, and impressive hydrogen volumetric densities.
Researchers developed a rice husk-derived biochar catalyst that degrades levofloxacin within four minutes under mild conditions. The catalyst works by activating peroxymonosulfate and inducing the formation of a surface intermediate, resulting in both radical and non-radical pathways for degradation.
Researchers found that nanozeolite-coupled biochar fertilizer reduced soil-derived carbon dioxide emissions by 11-18% compared to conventional phosphorus fertilizer. The biochar-based fertilizer also reduced the Q10 value, indicating a decrease in soil carbon decomposition under warming.
A new study reveals that biochar reshapes microbial activity over time, transforming dissolved organic matter into more stable carbon pools. Long-term effects were increasingly controlled by soil microbes, suggesting a key role in durable soil carbon sequestration.
Researchers developed a cobalt manganese spinel catalyst regulated by biochar to activate peroxymonosulfate, achieving higher degradation rates and improved selectivity than traditional systems. The new CoMn0.75/BC system showed strong practical potential, maintaining high imidacloprid removal efficiency across various pH ranges.
A new study transforms agricultural waste from lavender straw into a highly sensitive biochar-based sensor for ethylene glycol detection. The sensor material exhibits exceptional room-temperature performance, a low detection limit of 0.36 ppm, and long-term stability.
Dissolved black carbon's colloidal behavior can decide whether carbon and associated contaminants travel long distances or become trapped in sediments. Understanding this behavior is essential for predicting environmental risks and carbon cycling.
A new study uses deep learning to predict how fast biochar materials break down antibiotic contaminants, offering a faster path toward cleaner water and smarter environmental remediation. The model reveals key mechanistic insights, including catalyst properties contributing 59.3% of the predictive power.
A new study reveals that thiol-modified biochar can maintain long-term mercury immobilization in contaminated soils even when subjected to repeated drying and rewetting. The research found that TMB strongly reduced mercury mobility, lowered bioavailable mercury, and redistributed mercury into less available forms.
A new study published in Biochar reports a promising approach to address food safety and climate challenges at the same time. A titanium dioxide-loaded biochar material reduces arsenic mobilization and methane emissions in flooded paddy soil, offering a two-in-one strategy for safer rice and lower greenhouse gas emissions.
A new study reveals that biochar can regulate antibiotic movement in structured soils, helping reduce contamination risks. By shifting transport into the slower soil matrix, biochar reduces pollutant export and increases retention.
A new review highlights the potential of biochar's intrinsic redox properties to enhance pollutant degradation, microbial processes, and energy recovery. Biochar can act like an electron shuttle or buffer, transferring electrons more efficiently than highly conductive materials in stressed environments.
A new study found that soil fungi play a key role in supporting carbon retention and improving fertility in nutrient-poor urban soils. Biochar and compost increased soil carbon and nitrogen storage most strongly in these soils, with amendment effects up to 14.4 times greater than those observed in nutrient-rich soils.
Researchers developed a green catalyst from cotton hulls that can dramatically improve the ability of ozone to remove stubborn organic pollutants from water. The nitrogen-doped biochar catalyst, N-BC-800, achieved 94% removal of DEET, outperforming ozone alone and unmodified biochar.
A five-year field study reveals that biochar reshapes soil chemistry, microbes, viruses, and metabolites to support healthier agricultural ecosystems. Biochar improves soil organic matter, cation exchange capacity, and nutrient availability while reducing metal bioavailability.
The 23rd World Congress of Soil Science, held in Nanjing from June 8-12, marked the first time this premier global event was hosted in China. Experts discussed urgent challenges like soil health, food security, climate change, and biodiversity conservation.
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.
Researchers have developed an iron-modified biochar additive that significantly reduces ammonia and nitrous oxide emissions during pig manure composting. The additive enhances microbial activity, improves nitrogen cycle efficiency, and produces a more toxic-free compost product.
A team of researchers has created a novel membrane using eggshell-derived nanoparticles that efficiently separates carbon dioxide from methane. The membrane's performance surpasses the established Robeson upper bound, demonstrating its potential for widespread use in renewable energy.
A new global analysis suggests that biochar's ability to store carbon in agricultural soils may be overestimated due to increased carbon dioxide emissions from warming. The study found that warming significantly increased CO2 emissions from biochar-amended soils by an average of 77%, with effects strongest in croplands.
Researchers found that acid-modified and alkaline biochars helped reduce stress from saline-alkali soil, improving soil conditions and supporting alfalfa performance. Alkaline biochar promoted biomass growth, while acid-modified biochar improved soil chemistry and root defense in highly alkaline soils.
A new review highlights the potential of biochar-immobilized microbes (BIMs) to improve soil quality, increase crop yields, and remediate pollutants. BIMs have shown strong potential to support sustainable agriculture by enhancing nutrient cycling, root development, stress tolerance, and pathogen suppression.
A new study presents a greener way to make slow-release fertilizers that reduce nutrient loss and improve crop growth. The tea-based fertilizer, made with iron nanoparticles, biochar, and biodegradable materials, slows down nutrient release, retains soil moisture, and improves fertilizer efficiency.
A new study found that alternate wetting and drying irrigation combined with nitrogen-loaded biochar can help rice farming address food security, water scarcity, and environmental pressure at the same time. The approach reduced water use by 14.17 to 15.56 percent while increasing rice yield by 2.23 to 5.11 percent.
A new study found that biochar can lower the temperature sensitivity of nitrous oxide emissions in agricultural soil but increase it in forest soil. Researchers tested different soils and biochar treatments and found that temperature was the dominant driver of nitrous oxide emissions, while biochar acted as a secondary modulator.
Carbon Research has achieved a new milestone with a 2025 CiteScore Tracker of 19.2, reflecting growing visibility and citation performance. The journal focuses on carbonaceous materials, renewable energy, and greenhouse gases, publishing high-quality research for climate change, sustainable energy, and environmental remediation.
A three-year field study shows that pairing biochar with arbuscular mycorrhizal fungi can improve soil health, nutrient supply, microbial diversity, and maize productivity. The treatment also increased soil water content, porosity, organic carbon, available phosphorus, and enzyme activity.
A new study reveals how combining crop straw with biochar may help soils build humic substances that are both chemically active and structurally persistent. The research found that straw and biochar do more than just add carbon to soil, reorganizing the molecular building blocks of humic acid.
Researchers have developed a mechanism-resolved framework to convert lavender distillation residue into valuable biochar. The optimized process balances yield, energy use, and environmental indicators, producing carbon-rich material with potential uses in soil improvement and carbon storage.
A new iron-modified biochar catalyst activates natural oxygen and iron cycling in farmland soil, breaking down sulfamethoxazole at a 4.2-fold increase under laboratory conditions. The material also achieved strong pollutant removal, with degradation reaching 81.2% under favorable soil moisture conditions.
Long-term biochar study reveals that topsoil benefits from biochar's effect on microbial necromass carbon, with significant increase in fungal necromass carbon. In contrast, subsoil shows reduced microbial necromass carbon due to lower nitrogen availability and increased microbial nutrient mining.
A new study found that rice straw biochar applied at moderate levels improved several colony behaviors linked to soil health in ants. Ants showed stronger habitat preference, built larger nests, and maintained more effective social recognition. However, high doses of biochar were detrimental, causing ant survival to drop sharply.
A new study published in Biochar shows that the temperature used to produce biochar plays a decisive role in controlling nitrogen losses during food waste digestate composting. Hardwood biochar made at 400 °C reduced total nitrogen loss by 46.3% compared with composting without biochar, outperforming biochars made at 300 °C and 800 °C.
Researchers developed a magnetic silicon-enriched biochar gel that effectively immobilized arsenic and antimony in contaminated paddy soil, reducing their accumulation in rice grains. The material also improved root growth and plant productivity, supporting healthier plant resilience.
A new study transforms spent coffee grounds into a high-performance, biodegradable thermal insulation material with potential applications in buildings and packaging. The material achieved comparable thermal conductivity to commercial expanded polystyrene and showed biodegradability under enzyme treatment.
Biochar can restore acidic tea soils, reduce toxic metal uptake, and support climate-smart cultivation. It also improves fertilizer use efficiency, supports biochemical pathways linked to tea quality, and reduces heavy metal exposure risks for consumers.
A new five-year field study suggests that pairing annual biochar amendment with water-saving irrigation can reduce methane emissions from paddy fields. Continuous biochar use maintained and strengthened methane mitigation over time, while a one-time application's effect weakened.
Researchers found that higher soil salinity can slow biochar's aging process, preserving its carbon content and reducing microbial activity. This study provides new insights for sustainable management of saline farmland and highlights the importance of microorganisms in shaping biochar's environmental functions.
Researchers argue that biochar's long-term carbon storage potential and its soil improvement benefits should not be conflated. The authors call for a 'designer biochar' approach, tailoring products to specific end uses rather than marketing them as universally beneficial.
Researchers found that hydrochar improves soil structure while increasing soil organic carbon, with different feedstocks showing varying benefits. The study suggests hydrochar could become a customizable amendment for climate-smart soil management.
Researchers developed amine-functionalized biochar/cellulose acetate hybrid membranes using microalgae biomass, improving water filtration and reducing foulant adhesion. The modified membranes achieved a water flux of 169.1 L m⁻² h⁻¹ and 64.1% removal of natural organic matter.
Researchers used game theory to identify promising porous carbon materials made from agricultural and industrial waste. The study found that certain samples, such as rice straw-KOH-level 2, performed well in terms of surface area and pore volume, making them suitable for applications in soil amendment, water conservation, and pollutant...
A new study found that excavated urban soils in South Korea emit measurable amounts of CO2 and CH4, highlighting a previously overlooked climate cost. Researchers suggest simple practices like soil capping and biochar amendment could be integrated into construction workflows to mitigate these emissions.
A new study found that pairing biochar with beneficial Bacillus bacteria can improve phosphorus availability in soil, reshape the root-zone microbial community, and strengthen root architecture. This leads to increased fruit-cluster branching and a 23.53% increase in cherry tomato yield.
A comprehensive review of biochar-hydrogel composites reveals that their effectiveness lies in the surface chemistry of advanced composite materials. The study identifies function-specific performance and emphasizes the need for standardized durability testing to ensure long-term stability and scalability.
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.