Environmental Remediation
Articles tagged with Environmental Remediation
Advanced chemical frameworks offer a photocatalytic solution for uranium extraction from water
Researchers develop heterocyclic-linked covalent organic frameworks (COFs) that utilize light to trigger specific redox reactions, reducing soluble uranium into insoluble forms. The materials have shown impressive photocatalytic uranium extraction efficiency and potential for environmental cleanup and nuclear fuel security.
Iron minerals help decide whether dissolved organic matter becomes microbial food or long-term carbon
A biochar-based material offers a promising route for uranium recovery from seawater
Engineered biochar could offer a greener path to carbon dioxide capture
FAU engineering researcher earns NSF CAREER Award for air, water purification
FAU engineering researcher Masoud Jahandar Lashaki has been awarded a prestigious NSF CAREER award to study the oxidative degradation of amine-functionalized sorbents. The project aims to design longer-lasting technologies for capturing pollutants from air and water, improving indoor and outdoor air quality.
New study reveals how next-generation biochar can transform pollution cleanup and circular sustainability
Emerging microwave-based techniques significantly enhance biochar's ability to remove contaminants from water and soil while improving energy efficiency. Biochar has gained attention as a sustainable solution for managing agricultural residues, food waste, and other organic by-products.
Bullying, state policy, and mental health symptoms in gender-diverse youths
A cohort study found that bullying and restrictive legislation were associated with higher rates of psychotic-like experiences in gender-diverse youths. The study suggests that supportive environments and policies can help alleviate mental health concerns among this population.
Floatable, biodegradable composite beads show promise for large-scale oil spill remediation
Researchers have created a novel sorbent made from chitosan/cellulose acetate and bentonite composites that show promise for cleaning up oil spills. The beads are floatable, biodegradable, and environmentally compatible, making them an efficient and cost-effective solution.
New technique measures rare earth metals in living plants, boosting phytomining efforts
Researchers have developed a technique to detect and measure the concentration of rare-earth elements in plants without destroying them. The method uses fluorescence spectroscopy to distinguish between autofluorescence from plant matter and rare-earth element uptake.
Thiol-modified biochar stabilizes toxic mercury in soils under extreme climate conditions
Researchers found that thiol-modified biochar reduces mercury mobility by up to 80% in soils exposed to dry-wet cycles. The material promotes natural weathering processes, traps mercury in stable forms, and alters the soil microbial community, creating a resilient ecosystem.
New biochar composite tackles arsenic pollution and methane emissions in rice paddies
A new study reports a promising solution to address both arsenic contamination and greenhouse gas emissions in rice paddies using an engineered biochar material enhanced with titanium dioxide. The findings highlight a new strategy to improve food safety while lowering agriculture’s climate footprint.
Biochar acts as a “sorption pump” to curb antibiotic pollution in structured soils
Researchers found that biochar can actively regulate the movement of antibiotics in soil, reducing cumulative fluxes by up to 15%. Biochar creates a concentration gradient at the interface between macropores and surrounding soil, pulling contaminants into the soil matrix for retention.
Biochar triggers long-term soil recovery by reshaping microbes and metabolism, five-year field study shows
A five-year field study reveals that biochar can reorganize entire soil ecosystems, creating lasting benefits for agriculture and environmental sustainability. Biochar triggers a coordinated transformation across the entire soil system, improving soil acidity and reducing metal toxicity.
Biochar’s hidden redox power could transform pollution cleanup and energy recovery
Researchers highlight biochar's ability to outperform conventional materials in driving chemical reactions that break down pollutants and support energy-producing microbial processes. Biochar's intrinsic redox properties enable it to act as an electron shuttle, accelerating reactions.
Biochar reshapes climate-driven soil emissions, but effects depend on soil type
Researchers found that biochar can either dampen or amplify temperature sensitivity of nitrous oxide emissions in soils. Biochar's effects depend on soil properties and environmental conditions.
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.
Tailored biochar strategies boost alfalfa growth and resilience in saline soils
A new study reveals that carefully designed biochar amendments can improve plant growth and soil health in saline-alkali soils by reshaping plant metabolism and microbial communities. Alkaline biochar was found to stimulate key metabolic pathways, while acid-modified biochar enhanced root development and activated plant defense systems.
Engineered biochar unlocks soil’s natural chemistry to break down antibiotic pollution
A new study reveals how an advanced iron-modified biochar can harness the natural chemistry of soils to break down persistent antibiotic contaminants. The biochar activates naturally occurring oxygen in soils to generate highly reactive hydroxyl radicals, enabling the in situ degradation of contaminants without external chemical inputs.
Tuning biochar temperature unlocks major nitrogen savings in food waste composting
Researchers discovered that carefully selecting the temperature used to produce biochar can optimize both environmental performance and compost quality. Biochar produced at a moderate temperature achieved the optimal balance between ammonium adsorption and microbial nitrification, resulting in a 46.3% reduction in total nitrogen loss.
Magnetic biochar gel offers breakthrough solution for arsenic and antimony contamination in rice fields
A newly developed magnetic biochar material effectively reduces the uptake of arsenic and antimony in rice plants, stabilizing contaminants while supporting plant growth. The study also reveals improvements in plant health, including stronger root systems and reduced physiological stress.
Biochar offers climate-smart pathway to healthier soils and safer tea production
A new scientific review highlights how biochar can transform tea farming by restoring soil health, reducing pollution risks, and improving both yield and quality. Biochar can increase tea yields by 10 to 40 percent while enhancing quality traits such as amino acids and polyphenols that influence flavor.
Five-year field study reveals smarter biochar strategy to cut methane from rice paddies
A five-year field study shows that small, repeated additions of biochar combined with water-saving irrigation can significantly reduce methane emissions from rice paddies over time while maintaining strong crop yields. Continuous application maintained and strengthened methane reduction, producing net negative emissions in some cases.
Salty soils slow biochar aging but limit beneficial microbes, study finds
Researchers found that increasing soil salinity slows biochar aging and limits microbial colonization. Biochar retains more carbon and shows greater structural stability in saline environments compared to low-salinity conditions.
Not all biochar is created equal: study calls for clearer standards in carbon markets and agriculture
A new study highlights the critical misunderstanding of biochar's role in fighting climate change and improving soils, warning that oversimplified claims could undermine scientific progress and carbon markets. Biochar is not a one-size-fits-all solution, and its effectiveness depends on where it is used.
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.
Biochar–microbe partnership unlocks soil phosphorus and boosts tomato yields
Researchers found that combining biochar with beneficial bacteria significantly improves phosphorus availability, reshaping plant development and increasing crop yields in greenhouse-grown cherry tomatoes. The study also showed that this approach can enhance soil fertility and crop productivity without increasing fertilizer inputs.
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.
Biochar can curb methane emissions in rice fields, but nitrogen levels make the difference
A new study found that biochar can significantly reduce methane emissions from rice paddies when applied at optimal nitrogen levels. However, high nitrogen inputs may actually increase methane emissions, highlighting the need for careful management of fertilizer inputs.
AI-guided biochar design offers new pathway to tackle emerging water pollutants
A new study presents a framework combining biochar engineering with artificial intelligence to design next-generation materials tailored for specific pollutants. The work highlights how advanced data-driven approaches can accelerate the development of sustainable water treatment technologies.
Biochar nanoparticles boost flowering by rewiring plant carbon flow and gene activity
A new study reveals that biochar nanoparticles directly enter plant tissues and enhance flowering by reshaping carbon allocation and regulating key genes. This discovery provides a new explanation for how biochar improves crop performance beyond its effects on soil fertility.
Biochar offers climate-smart path to restore dryland soils and fight desertification
A new review highlights biochar's potential to reverse land degradation, improve soil health, and support sustainable agriculture in arid regions. Biochar can increase crop yields, reduce erosion risks, and enhance soil resilience, while also contributing to global carbon sequestration efforts.
Biochar helps forests fight acid rain by restoring vital soil nitrogen
A new field study reveals that biochar can significantly restore soil health and nitrogen availability in forests affected by acid rain. Biochar triggers major biological changes in the soil, enhancing microbial biomass and increasing nitrogen use efficiency.
Nano-enabled biochar fertilizers help rice grow safer in contaminated soils
A new study reveals that nano-biochar fertilizers can actively regulate soil processes and help protect rice from harmful metal accumulation. The findings show improved rice growth, enhanced soil biological activity, and reduced cadmium and arsenic uptake in contaminated soils.
Freezing soils may hold the key to locking away toxic arsenic, new study finds
A new study reveals that freeze-thaw cycles can dramatically improve biochar's ability to trap toxic arsenic in contaminated soils. The research found that freezing and thawing fundamentally reshapes how biochar interacts with soil at microscopic scales, creating stronger connections between biochar particles and soil minerals.
Seashell saviors: discarded oyster shells can clean polluted water by removing "rare earths"
Researchers at Trinity College Dublin have discovered that crushed oyster shells can capture and remove rare earth elements from polluted water. The shells trigger a chemical reaction that converts dissolved metals into solid mineral crystals, making them an effective tool for environmental cleanup.
Biochar and beneficial fungi team up to detoxify toxic red mud and restore soil health
Researchers developed a system combining biochar with arbuscular mycorrhizal fungi to target specific pollutants in red mud. The results showed that each fungal species played a distinct role in detoxifying arsenic and lead, as well as improving soil health.
Long-term field study shows biochar delivers dual benefits for soil health and climate mitigation
A 14-year field study shows that biochar can simultaneously reduce heavy metal risks in agricultural soils while enhancing carbon storage. Biochar improved soil carbon storage, reducing toxicity by up to 91 percent and increasing organic carbon content.
Biochar-based nanotechnology cleans toxic herbicide from soil while protecting crops
Researchers developed a nitrogen-doped biochar-modified zero-valent iron nanocomposite that rapidly removes harmful herbicides from soil and protects crops. The material also triggers the formation of an iron plaque on plant roots, capturing contaminants and improving crop health.
Turning crop waste into climate solutions: Biochar reduces greenhouse gas emissions in bamboo forests
A new study reveals that biochar can significantly reduce nitrous oxide emissions from forest soils, shifting them from a source to a potential climate solution. Biochar was found to suppress key microbial genes responsible for producing N2O while increasing the abundance of microbes that convert it into harmless nitrogen gas.
Baking the earth to cool the sky: How tailored biochar can dial down agricultural emissions
A comprehensive meta-analysis reveals that biochar functions as a highly active biological regulator, restructuring the earth to boost porosity and moisture retention. Biochar disrupts the soil's nitrogen cycle by suppressing specific enzyme activities, slowing down processes like nitrification and denitrification.
Engineered biochar and beneficial bacteria team up to boost crop growth
Researchers developed a specially engineered biochar made from sewage sludge that significantly enhances plant growth when combined with beneficial bacteria. The biochar-bacteria combination improved nitrogen cycling and increased the abundance of beneficial soil microbes, leading to greater plant nutrition and growth.
Biochar particle size found to shape disease control in crops
Researchers found that the particle size of biochar impacts its effectiveness in controlling soil-borne diseases, with fine biochar acting quickly but losing effectiveness over time. Coarse biochar, on the other hand, provides a slower yet more sustained protective effect by releasing nutrients and organic compounds into the soil.
Aquatic plant reduces antibiotics in water and genetic damage in fish
A study found that the aquatic plant Salvinia auriculata can act as a sink for antibiotics in the Piracicaba River, reducing bioaccumulation and genotoxicity. The plant was able to remove high concentrations of enrofloxacin and chloramphenicol from the water, but its effectiveness varied depending on the compound.
Researchers develop biochar-based photocatalyst that rapidly removes antibiotic pollutants from water
A new biochar-enhanced photocatalyst has been developed to efficiently degrade antibiotic contaminants in water, with the material demonstrating remarkable ability to break down sulfadiazine. The photocatalyst harnesses sunlight to drive chemical reactions capable of degrading antibiotic molecules, and its performance is substantially ...
The ultimate dirt filter: 'Oxychar' offers a cheaper, smarter way to scrub toxic cadmium from farmland
Researchers develop oxychar, a highly efficient, budget-friendly alternative to traditional charred organic materials for toxic cadmium removal. The new material soaks up both agricultural ammonia and cadmium, promising a practical win for sustainable farming.
Agricultural and industrial waste transformed into advanced porous carbon for soil and water conservation
Researchers transformed waste into high-performance porous carbon materials for soil and water conservation. The study identified top-performing materials from agricultural wastes, which exhibited high surface areas and favorable pore structures, enhancing adsorption capacity and water retention.
Turning herbal waste into a powerful tool for cleaning heavy metal pollution
Researchers developed a phosphorus-modified biochar that can simultaneously immobilize harmful metals and enhance soil fertility. The material showed remarkable adsorption capacity for lead and cadmium, with potential applications in soil remediation and sustainable agriculture.
Machine learning reveals when biochar helps or harms soil life
A new study analyzing 61 scientific studies found that biochar can either help or harm soil organisms, depending on factors like pH, application rate, and production temperature. The research provides a comprehensive assessment of biochar's ecological impacts and offers new tools for predicting its effects.
Nanotechnology offers new hope for cleaning heavy metal pollution in soil and water
Recent scientific progress in nanotechnology has led to the development of engineered nanomaterials that can remove, transform, or immobilize heavy metals in contaminated environments. These nanomaterials possess unique properties that make them highly reactive and efficient at interacting with contaminants.
Turning orchard waste into climate solutions: A simple method boosts biochar carbon storage
Researchers developed a low-cost method to transform agricultural waste into high-quality biochar, increasing its ability to store carbon and combat climate change. The new method uses limewater treatment to improve biochar production, resulting in a 34% increase in carbon retention and improved soil structure and chemistry.
Biochar type shapes how water moves through phosphorus rich vegetable soils
Two types of biochar, rice husk and palm silk, influence water infiltration and leakage in phosphorus-enriched vegetable soils. Biochar slows water movement, reducing phosphorus leaching and improving water retention for crops.
Hidden viral networks in soil microplastics may shape the future of sustainable agriculture
Research reveals complex interactions between soil microbes, viruses, and microplastics, influencing soil health and ecosystem recovery. Innovations such as phage-assisted microbial augmentation aim to enhance plastic degradation in soils.
Modified biochar helps compost retain nitrogen and build richer soil organic matter
Researchers designed modified biochars with phosphorus and magnesium to improve compost quality by retaining nitrogen and accelerating humification. The study found that these materials reduced ammonia emissions and promoted microbial activity, resulting in higher nitrogen retention and improved soil fertility.
New sulfur-iron biochar shows powerful ability to lock up arsenic and cadmium in contaminated soils
A novel engineered biochar has been developed to simultaneously immobilize arsenic and cadmium in contaminated water and agricultural soils. The sulfur-ferrihydrite-modified biochar achieves high adsorption capacities for both pollutants, transforming them into more stable residual fractions.
Pairing biochar with other soil amendments could unlock stronger gains in soil health
A review of field studies found that combining biochar with other amendments like compost, manure, or fertilizers enhances soil health by increasing water retention, nutrient cycling, and microbial activity. The co-application approach also improves soil physical properties and biological responses.
New technology could use sunlight to break down ‘forever chemicals’
Scientists have developed a new catalyst that uses sunlight to break down polyfluoroalkyl substances (PFAS), a group of water-repellent chemicals linked to increased cancer risk. The technology could be scaled up for detection or removal from the environment and human body.
Innovative approach achieves good results in degrading pharmaceutical contaminants in water
A study published in the Chemical Engineering Journal proposes a new method for environmental remediation of pharmaceutical pollutants in water. The researchers used high-energy sparks to degrade pollutants, achieving better results than conventional methods.
Scientists uncover how engineered biochar and microbes work together to boost plant-based cleanup of cadmium-polluted soils
Scientists have discovered how engineered biochar and microbes work together to enhance phytoremediation by improving soil conditions and stimulating beneficial microbes. The study found that modified biochar substantially increased plant growth, boosted photosynthesis, and promoted the transfer of cadmium from roots to stems and leaves.
Engineered biochar could unlock more effective and scalable solutions for soil and water pollution
A new review highlights how engineering biochar with magnetic and mineral modifications can expand its environmental applications while overcoming practical limitations. Engineered biochars combine adsorption with reactive processes to trap pollutants, transform or degrade them, reducing the risk of secondary contamination.