Scientists have identified two key forces that shape iron nanoparticles' stability in environments, including aggregation and phase transformation. Understanding these processes can improve strategies for managing water quality and contaminant transport.
A new photocatalyst has been developed that significantly boosts the efficiency and stability of hydrogen peroxide generation under visible light. The catalyst, known as a TTT COF, achieves nearly 30 millimoles per gram per hour in aqueous solution, outperforming its imine-based precursor.
Researchers have developed a new material that captures harmful PFAS chemicals from water in seconds, surpassing traditional adsorbents' limited capacity. The nitrate-intercalated layered double hydroxide removes perfluorooctanoic acid with an exceptional capacity of 1,702 milligrams per gram.
Researchers found that plant phenolic acids can dramatically boost the activity of existing antibiotics against multidrug resistant E. coli, reducing the chance of new resistance emerging. The compounds also make it easier for antibiotics to enter and stay inside bacterial cells.
Bio-based carbon capture offers a 'triple win' for people, planet, and productivity through decentralized systems cutting synthetic fertilizer use by 20-40% and boosting crop yields by 10-25%. Long-term incorporation of biomass into soils via compost and biochar increases soil organic carbon by 10-40%, improving fertility and resilience.
Dr. Muhammad Aziz shares his research on chemical looping technology for clean hydrogen production. He discusses advanced oxygen carrier materials and process intensification strategies to boost efficiency.
A new perspective outlines an urgent scientific roadmap for understanding chemical-microbe interactions and their role in accelerating antimicrobial resistance. Emerging evidence highlights unexpected combined effects of pollutants at low levels, which can promote resistance even when each chemical is present alone.
Heavy metals in soil can overestimate real risk to crops, ecosystems, and human health due to low bioavailability. A new review provides a practical framework using tools such as chemical extractants, biological assays, and models to estimate the accessible fraction of metals.
A new study found that black carbon formed during wheat straw burning can significantly reduce the spread of antibiotic resistance genes in soil and soybean crops. Black carbon altered nutrient availability, modified the physical and chemical aging of mulch films, contributing to reduced gene transfer.
Researchers created a powerful catalyst from renewable lignin waste, boosting the efficiency and stability of oxygen evolution reaction in water electrolysis. The new catalyst achieves a low overpotential of 250 mV at 10 mA cm² and maintains strong performance for over 50 hours.
A new review finds DEET in rivers, lakes, groundwater, and drinking water worldwide, with concentrations typically falling in nanograms-per-liter to micrograms-per-liter ranges. Laboratory studies indicate that DEET can harm sensitive aquatic organisms and alter microbial communities, posing a moderate ecological risk globally.
A new study found that iron fortified hemp biochar can significantly cut the amount of 'forever chemicals' that move from contaminated soil into edible radish bulbs. The treatment lowered PFAS levels in radish tissues and reduced overall plant uptake compared to unamended soil.
A new study found that acid rain can destabilize soil microbiomes, making it easier for disease-causing microbes like E. coli O157:H7 to invade and persist. The researchers discovered that acid rain accelerates the evolution of high-risk pathogens, which can lead to severe foodborne illness and increased mortality rates in animals.
Researchers have developed a promising new method to recover uranium from challenging wastewater streams using an indirect electrochemical process combined with a self-standing covalent organic framework electrode. The approach achieves high efficiency, long-term stability, and strong tolerance to chemically complex environments.
Biochar's applications in urban areas include reducing volatile organic compounds, improving cement durability, increasing crop yields, and removing heavy metals from water. However, large-scale adoption faces challenges such as standardized production methods and economic incentives.
Recent breakthroughs in chemical looping technology enable high purity hydrogen generation alongside carbon dioxide separation, reducing emissions. Dr. Aziz's research advances material behavior, reactor configurations, and system optimization for near zero emission hydrogen systems.
A new study suggests delaying renewable energy expansion may reduce global motivation to cut carbon emissions. The research finds that once global warming passes a critical threshold, the social cost of carbon suddenly falls, weakening the economic incentive to reduce emissions.
A new study identifies how sulfamethoxazole, a common antibiotic, affects denitrification in estuarine sediments. The results show that the antibiotic disrupts the balance of nitrogen cycling processes, leading to increased nitrous oxide emissions and greenhouse gas warming.
Researchers have developed sustainable carbon materials that can remove harmful pollutants from water with high selectivity and reusability. These materials also show promise in energy storage, sensing, and catalysis applications.
A new study reveals that China's nationwide nitrogen management could reduce fertilizer use by over one third, improving air and water quality without compromising crop yields. Implementing a three-step strategy to increase manure recycling, balance fertilizer applications with environmental sources, and adopt integrated soil and crop ...
A new review reveals that dissolved organic matter (DOM) acts as both a buffer and accelerator of climate change, influencing carbon storage and pollution. DOM's molecular structure changes with temperature and rainfall patterns, altering its environmental behavior and biological effects.
New research reveals that large-scale livestock farming accelerates the spread of antibiotic resistance and heavy metal contamination in agricultural soils. Dried poultry manure, once applied to vegetable plots for food crops, drives a dramatic surge in dangerous antibiotic resistance genes.
Researchers found that adding biochar to advanced food waste recycling systems can significantly increase hydrogen and methane production. Biochar acts as a natural buffer, keeping pH levels optimal for microbes and supporting robust microbial communities.
Dr. Muhammad Aziz presents his cutting-edge research on chemical looping-based hydrogen production, generating high-purity hydrogen and capturing CO2 while recovering usable heat or power. His work spans from microscopic analysis to system-level integration across energy and heavy industries.
Researchers create a new material that dramatically boosts uranium extraction efficiency, addressing one of the key challenges in sustainable nuclear energy. The study introduces a special type of covalent organic framework (COF) that shows record-high efficiency and selectivity in isolating uranium from seawater.
The study highlights how emerging pollutants such as pharmaceuticals, microplastics, and industrial chemicals interfere with biological phosphorus removal processes in wastewater treatment plants. The review emphasizes the need for updated strategies and experimental designs to address these new contaminants.
A new study shows that even small amounts of antibiotics in the environment can significantly accelerate the spread of antibiotic resistance genes among bacteria. The research found that low concentrations of antibiotics can stabilize existing resistance and promote the development of new resistance traits.
A new review highlights the potential of iron-enhanced biochar to capture pollutants, catalyze chemical reactions, and stabilize nutrients in soil and water systems. The material's unique features include high surface charge, improved porosity, and accelerated advanced oxidation processes.
This online talk showcases an innovative method of repurposing industrial effluents to enrich biochar, creating a sustainable circular economy in real-world farming. Biochar researcher Prof. Salah Jellali shares his insights on upgrading plain biochar into a smart fertilizer.
Researchers developed a biochar-based material that dramatically improves nitrate removal from agricultural soils and water, maximizing both nitrate adsorption and ammonium retention. The optimized composite achieved nitrate reduction rates as high as 71 percent and increased ammonium retention by 53 percent compared to biochar alone.
A new study reveals that optimized nitrogen fertilizer use can increase yields, reduce pollution and save money for Myanmar rice farmers. Adopting ecologically optimal rates can avoid annual environmental costs of up to $368 per hectare.
Prof. Weihong Yang explores innovative strategies to replace fossil-based materials with sustainable, bio-based graphite in lithium-ion batteries and other electrochemical systems. The webinar provides key insights into converting bioprecursors into fossil-free graphite.
A new, affordable sensor detects toxic perchlorate in water with rapid accuracy, offering a solution for better environmental monitoring and public health. The sensor's design combines precision molecular engineering with practical field applications to improve safety.
Scientists warn that tiny airborne fragments of plastic could act as invisible vectors for viruses, potentially influencing respiratory disease transmission. The researchers urge the scientific community to test the hypothesis through coordinated laboratory and epidemiological studies.
Scientists developed a fast, energy-efficient method to create an iron-carbon catalyst that can remove antibiotic pollutants from both water and soil by using oxygen from the air. The Fe/C catalyst demonstrated remarkable performance in degrading sulfamethoxazole up to 94.6% within four hours.
A new study reveals that rising nitrogen and rainfall in the Eurasian steppe region can significantly increase nitrous oxide emissions, a potent greenhouse gas. The research found that soil carbon and pH levels influence how efficiently microbes convert nitrous oxide into harmless nitrogen gas.
A new study identifies key conflicts between agricultural expansion and ecological protection in Northeast China, proposing integrated strategies to achieve a sustainable balance. The research team recommends creating wetland compensation mechanisms, optimizing water allocation, and restoring habitats for migratory birds.
Researchers developed microalgal-bacterial granular sludge to efficiently degrade estrogenic compounds from wastewater. The system achieved up to 98% removal of estriol in low doses and adapted to repeated exposures.
Engineered biochar emerges as a powerful tool to combat water pollution, removing hazardous substances from wastewater. Its tailored surface chemistry and structure make it an ideal candidate for environmental cleanup, capturing both heavy metals and organic contaminants simultaneously.
A new study reveals that duckweed can sharply curb certain harmful nitrogen oxide emissions in rice agriculture, but may also unintentionally boost releases of ammonia and nitrous oxide. The key lies in duckweed's ability to alter soil chemistry and encourage beneficial microbial communities.
Scientists uncovered a risk to freshwater quality as lake and river sediment shift from trapping toxic arsenic to releasing it after submerged macrophytes die. The decline of these vital underwater plants can change how arsenic moves through aquatic environments, posing an unanticipated threat to water safety.
Bamboo is being explored as a promising material for reducing plastic waste due to its fast growth rate, renewable nature, and extensive distribution. Despite challenges, bamboo-based products have improved performance profiles and are gaining popularity worldwide.
Researchers developed a novel biochar material with a high specific surface area and micropore volume, achieving a maximum CO2 adsorption capacity of 3.434 millimoles per gram at room temperature. The material's optimal mesopore proportion enabled rapid adsorption kinetics, resolving a long-standing trade-off in biochar design.
A new 'connectivity–ecological risk–economic efficiency' (CRE) framework integrates environmental, economic, and climatic factors to support sustainable development in cold regions. The approach identifies key ecological sources and corridors connecting them, optimizing conservation strategies for ecosystem connectivity and resilience.
Researchers found that iron oxyhydroxide nanominerals can catalyze the breakdown of harmful plastic additives. The study shows that mineral structure plays a crucial role in determining degradation rates.
Researchers at the University of Toronto have discovered that monolithic biochar can achieve exceptional strength and durability, comparable to mild steel. The study found strong correlations between hardness, bulk density, and carbon content, providing a quantitative foundation for tailoring biochar's performance.
Researchers found that combining organic manure with synthetic fertilizer increases soil organic carbon and total nitrogen, leading to better fertility and improved crop performance. The integrated approach also produced lower nitrous oxide emissions by stimulating microbes that can break down N2O.
Researchers have developed a new molten salt technique that restores the structure and performance of used high-nickel cathode materials, allowing for more efficient battery recycling. The approach, published in Energy & Environment Nexus, regenerates the material itself so it can be reused in new batteries.
A new study reveals that dissolved organic matter in biochar enhances the metal-binding power of biochar, offering insights for safer cleanup strategies. The research found that chemical complexation is the dominant mechanism of immobilization, with carboxyl groups serving as key binding sites.
Researchers found that sunlight can transform synthetic fabrics into tiny plastic fibers, releasing thousands of microscopic fragments. The study shows that fabric color and dye chemistry significantly impact microfiber generation, highlighting the need for sustainable textile design.