Search results for “Carbon Levels”

Forest diversity and terrain shape how carbon is stored in southern Brazil’s Atlantic Forest

A new study reveals that forest structure, tree species evenness, and terrain slope jointly influence how carbon is divided among living vegetation, forest litter, and soil. The research found that soil contained the largest share of total carbon in most locations, while vegetation stored more carbon than soil in several plots.

Burning soil and peat drove most emissions in Canada’s record 2023 wildfire season

Most of the carbon released during Canada’s record 2023 wildfire season came from burning soil and peat. Underground carbon stores accounted for 76 per cent of wildfire emissions. The findings highlight the vulnerability of Canada’s soil carbon stores to intensifying wildfires.

Climate change is reshaping Northern Eurasia's carbon sink

A new study reveals that Northern Eurasia's carbon sink is driven by climate change, with stronger sinks in western and southern regions. Forest productivity is a key determinant of the regional carbon sink, not just warming alone.

Soil organic carbon increases crop yield but can’t help with extreme drought

Research by CSU scientists found that soil organic carbon benefits crops the most during moderate water supply conditions, not extreme drought. Increasing soil organic carbon makes crops more stable and resilient from year to year.

Food labelling combined with higher prices for carbon-intensive foods could help reduce UK greenhouse gases by 5%, while generating social welfare gains

Economists suggest that combining food labelling with higher prices for carbon-intensive items can reduce UK greenhouse gases by 5%, while generating net social benefits. The study found that labelling led to a 5.6% decrease in the carbon content of the average food basket, while a tax on the most carbon-intensive products yielded a 10...

New thermal analysis technique reveals how earthquakes and storms reshape Earth's carbon cycle

A new study uses a thermal analysis technique to distinguish between different sources of organic carbon transported by rivers after extreme events, such as earthquakes and storms. The findings show that these events can continue to influence carbon transport in river systems for over a decade.

The rapid drying of the Aral Sea turned a carbon sink into a major carbon source

The rapid drying of the Aral Sea has released over 200 teragrams of carbon into the atmosphere, shifting the region's land-use carbon balance from a net sink to a significant source. Restoration efforts could help halt continued carbon loss and generate financial incentives for reflooding the lake.

Himalayan forests: A dual strategy for carbon capture

New research reveals altitude-dependent carbon storage mechanisms in diverse forest ecosystems. High-altitude conifer forests excel at storing carbon in biomass, while lower-elevation mixed broadleaf forests stabilize soil carbon. Effective forest management requires altitude-specific approaches to conserve biomass and enhance soil org...

Biochar’s hidden chemistry may help protect soil carbon, but the effect depends on soil type

New research reveals biochar's reactive chemistry can slow soil organic carbon decomposition by suppressing enzymes, particularly in acidic soils. The protective effect varies among different soils, with some biochars increasing carbon dioxide emissions.

Soil nitrogen levels determine how biochar helps store carbon, global study finds

A global analysis of 932 observations shows that biochar delivers stronger carbon gains in nitrogen-poor soils and follows different carbon storage pathways depending on soil fertility. Biochar effectiveness varies greatly from one field to another, with the amount of nitrogen already present in soil controlling how much carbon it stores.

Demonstrating carbon transfer through underground fungal networks in plants

A study by Chiba University researchers confirms Gentiana squarrosa obtains carbon through both photosynthesis and fungal symbiosis. The U-shaped pot cultivation system developed for this study enables the verification of carbon transfer between plants via AM fungi in various plant species.

Biochar helps paddy soils lock away carbon by reshaping microbial life underground

A new study reveals that biochar increases soil organic carbon more efficiently than straw by guiding microbes towards stable carbon formation. Biochar promotes a slower but more stable carbon pathway, reducing native soil carbon mineralization.

Airborne observations provide clarity on where carbon is going

A new study based on global airborne surveys found that forests in the tropics take up less carbon than predicted, and models struggle to simulate carbon dioxide uptake in forests north and south of the tropics. Regular airborne missions could narrow uncertainty further.

Mountainous landscapes store far more carbon than previously thought, new research shows

A new study reveals that mountainous landscapes can store significantly more carbon in the soil than previously believed. Researchers found that soils in landslides can be up to 5 meters deep and contain twice as much carbon as predicted by previous global models.

New research indicates that in the future, trees may store less carbon than expected

A new study found that even as oak trees continue to photosynthesize late into the year, their growth stops by mid-summer. This decoupling between photosynthesis and growth suggests that increased carbon uptake may not translate to greater wood production, reducing long-term carbon storage in forests.

Carbon Research reaches new high in Scopus CiteScore rankings

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.

Carbon ratios in concrete can improve carbon accounting

Researchers at the University of Tokyo have discovered a method to quantify CO2 absorbed by cementitious materials and its atmospheric contamination using carbon isotope measurements. This breakthrough aims to improve carbon accounting and reduce greenhouse gas emissions in concrete production.

Water use, not temperature adaptation, sustains plant carbon uptake

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.

Long-term biochar use can help cropland soils store more microbial carbon, but depth matters

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.

Rising seas could ‘drown’ mangroves and release carbon

New research suggests that mangrove forests may not store as much carbon as previously thought, but instead release it as sea levels rise. The study found that localized areas may experience increased carbon storage, but the entire forest's storage is likely to decline over the next 100 years.

Not all biochar is equal: New perspective calls for clearer claims in carbon removal and soil health

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.

Hydrochar turns agricultural waste into a powerful tool for healthier, carbon-rich soils

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.

Wildfire dark brown carbon has strong global warming effects, study finds

A new study reveals that dark brown carbon from wildfires has a powerful warming effect on the global climate, potentially exceeding that of black carbon. The research found that this 'dark brown carbon' absorbs light well into the visible spectrum, amplifying regional and global warming.

The hidden carbon sponges: Karst reservoirs proven to be powerful climate allies

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.

Temporary carbon removal could help support climate goals

A new study suggests that temporary carbon storage can play a significant role in climate mitigation, particularly in sectors with persistent methane emissions. The researchers found that neutralizing the climate impact of 1 kilogram of methane requires removing roughly 498 kilograms of CO₂ stored for 20 years.

Tropical cyclones affect the global carbon cycle but may reverse their roles with anthropogenic warming

Research reveals tropical cyclones contribute to ocean carbon outgassing but its role is decreasing due to global warming. If emissions remain high, they may reverse to enhancing ocean carbon uptake, accelerating ocean acidification.

HKUST researchers reveal carbon storage potential and biological mediations on carbon cycling in South China Sea coral reef ecosystems

The study reveals coral reefs' significant carbon sequestration potential and how reef-dwelling fish contribute to the carbon cycle. Reef sediments dominate carbon storage, with fish influencing sediment carbon reservoirs through bioerosion and respiration.

Digging deeper: The hidden carbon bank beneath our farmlands

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.

Carbon markets underestimate the risks U.S. forests face from climate change

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.

Carbon unlocking of transportation infrastructure: assessment and regional disparities across 30 provinces in China

A study assesses carbon unlocking levels in China's transportation infrastructure across 30 provinces. The results show a clear regional pattern, with eastern provinces leading and western provinces lagging behind. Key driving factors include green patents, R&D investment, and low-carbon regulation.

Carbon markets underestimate the risks U.S. forests face from climate change

Research reveals US forests face significant risk of carbon loss due to wildfires, droughts, and insects. Current carbon-credit systems fail to account for these risks, but the study provides a solution by proposing larger buffer pools to mitigate losses.

Digging deeper: The overlooked carbon fortress beneath our feet

A comprehensive review reveals that deep soil layers store over 50-60% of the total carbon in top meter of soil. The subsoil environment is characterized by low oxygen and limited microbial activity, making it a stable target for long-term carbon removal strategies.

Relaxing rules on carbon markets would undermine climate action, scientists warn

Researchers caution that weakening core safeguards in carbon markets risk worsening climate impacts and increasing net carbon emissions. Indigenous land stewardship is vital for maintaining intact ecosystems and vital carbon sinks, but alternative support mechanisms are needed to preserve the integrity of climate action.

Engineered biochar could offer a greener path to carbon dioxide capture

International forum highlights engineered biochar for carbon capture and resource recovery

The 23rd Carbon Research International Forum highlights engineered biochar's potential in supporting carbon capture, resource recovery, and sustainable industrial development. Recent progress in converting agricultural and industrial residues into high-performance carbon materials was discussed.

Soil carbon residence time regulates the age of dissolved organic matter in global rivers

A new study reveals that soil carbon residence time governs riverine dissolved organic matter's age, with climate, hydrology, and soil processes controlling carbon cycling in rivers. The research provides a high-resolution global atlas of riverine DOC, showing that ancient carbon sources are locally important but modern terrestrial org...

Milk production carbon footprint may be larger than thought

A new study by the University of Helsinki finds that the carbon footprint of milk production is 41% higher when soil carbon changes are included. Soil organic matter can either sequester or release carbon, and its impact on climate change should not be ignored.

Global forum highlights new strategies to balance soil health and carbon sequestration

The session discussed the complex relationship between organic carbon inputs and long-term carbon storage in soils. Emerging strategies were presented to optimize organic amendments and enhance both soil function and carbon retention.

Biochar boosts soil carbon storage through microbial pathways, but effects vary with soil depth

A new field study reveals that biochar significantly increases microbial necromass carbon in topsoil by up to 39%, linked to improved nutrient availability and microbial efficiency. However, in subsoil layers, biochar reduces microbial necromass carbon by as much as 30% due to nutrient limitations.

Hydrochar boosts soil carbon storage and structure more effectively than biochar, study finds

A new study finds that hydrochar significantly enhances soil organic carbon and aggregation, offering a promising strategy for sustainable soil management. Hydrochar can simultaneously improve soil structure and increase carbon sequestration, making it a versatile solution for improving soil health in agriculture.

Urban construction soils identified as hidden carbon source, with biochar offering a scalable climate solution

A new study reveals excavated urban soils as a significant source of greenhouse gas emissions, primarily carbon dioxide and methane. Biochar application and soil capping can dramatically reduce emissions by up to 96%, offering a practical climate solution for urban development.

Tides supercharge biochar’s carbon capture power in coastal wetlands

A field study found that adding biochar to estuarine wetlands increased sediment carbon storage while suppressing carbon loss. Tidal dynamics amplified the effectiveness of biochar as a climate solution by stabilizing carbon in sediments and reducing microbial activity associated with carbon decomposition.

Microbes hold the key to unlocking biochar’s carbon storage potential in soils

A global analysis reveals that microbial communities play a decisive role in determining biochar's carbon storage potential. Biochar increases soil organic carbon by an average of 52.4%, but its effectiveness varies depending on the composition of soil microbial communities and environmental conditions.

Hidden carbon in mangroves: How “black carbon” strengthens coastal climate protection

Researchers mapped mangrove soil carbon pools and found plant growth, soil chemistry, and tidal processes regulate their distribution. Black carbon, produced by incomplete combustion, is stored in mangrove ecosystems and transported to aquatic systems, influencing global carbon cycling.

Old-growth forests store a lot more carbon than managed forests

A new study from Lund University reveals that old-growth forests in Sweden store 78-89% more carbon than managed forests, mainly due to large carbon stocks in the soil. The study's findings have significant implications for climate change mitigation and forest management.

Turning crops into carbon sinks: Biochar offers a low-cost path to carbon removal in China

A new study reveals that transforming biomass from dedicated energy crops into biochar could provide a cost-effective and scalable solution for removing carbon dioxide from the atmosphere, helping China move closer to its carbon neutrality goals. Biochar can lock carbon in soils for decades or even centuries while improving soil health.

A ‘shocking’ carbon discovery in Sweden’s forests

A new study reveals that old-growth forests in Sweden store 72% more carbon per acre than managed forests, with a significant gap due to soil losses. Restoring primary forests could keep nearly 8 billion tons of carbon dioxide out of the atmosphere.

The power of old forests: Study in Sweden finds they store far more carbon

A new study in Sweden reveals that primary forests store up to 72% more carbon than managed secondary forests. Soils account for the largest carbon store and convertion may have a greater climate impact than previously thought.

New study reveals hidden role of larger pores in biochar carbon capture

A new study challenges the assumption that only small pores in biochar capture carbon dioxide, finding that larger pores significantly increase carbon capture at higher temperatures. The research suggests optimizing the full pore hierarchy of biochar could improve its performance as a carbon capture material.

Mangrove forests are short of breath

Researchers at the University of Gothenburg measured carbon dioxide and oxygen levels in 23 mangrove areas, revealing global patterns in environmental stress. The study found that extreme conditions, including low oxygen and high carbon dioxide levels, are becoming more frequent and severe, posing a threat to sensitive fish species.

How microbes use ancient carbon

Researchers track ancient carbon's path in sea and its uptake by microorganisms, revealing a 30% biomass share. Photosynthesis also plays a role in assimilating hydrothermal carbon, but only a small proportion remains in the local ecosystem.

Online forum to explore how organic carbon amendments can improve soil health while storing carbon

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.

Decoding the Everglades' climate footprint

A Yale University study reveals the Everglades is a significant carbon sink, with mangroves capturing and storing large amounts of carbon dioxide. The research provides new insights into how to optimize restoration efforts and protect the region's climate benefits.

Rewetting peatlands could unlock more effective carbon removal using biochar

A new study suggests that applying biochar to rewetted peatlands can improve long-term carbon storage while reducing the need for highly stable biochars. Rewetting peatlands slows decomposition and helps prevent carbon loss, allowing more of biochar's carbon to remain stored over time.

Hidden carbon in mangrove soils may play a larger role in climate regulation than previously thought

A new study found that black carbon, a highly stable form of carbon, persists in mangrove sediments and enhances the climate mitigation potential of coastal wetlands. Mangroves store both organic and dissolved black carbon, which can travel through water and influence marine carbon cycles.

Biochar emerges as a powerful tool for soil carbon neutrality and climate mitigation

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.

Rapid microwave method creates high performance carbon material for carbon dioxide capture

Researchers developed a fast and energy-efficient way to produce advanced carbon materials capable of capturing carbon dioxide, dramatically reducing production time while improving adsorption performance. The new material demonstrates exceptional ability to capture and selectively separate carbon dioxide from gas mixtures.

Conveying the concept of blue carbon in Japanese media: A new study provides insights

A recent study by Doshisha University researchers found that Japanese media generally accurately conveys the concept of blue carbon, but fails to adequately address its challenges and risks. The study recommends improved collaboration among media professionals, policymakers, and marine scientists for effective science communication.

US forests are locking in major carbon emissions

A new study found that US forests have stored more carbon in the past two decades than at any time in the last century. Natural forces such as temperature, precipitation, and carbon fertilization are among the largest contributors to carbon gains, while human drivers like tree-planting and forest management also play a role.

Increased deciduous tree dominance reduces wildfire carbon losses in boreal forests

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.