A new study from researchers at the South China Botanical Garden, Chinese Academy of Sciences provides a complex view of the ecological changes in China's largest coastal wetland. By analyzing four decades of satellite imagery and field data from the Yancheng saltmarshes, the team found that the invasion of an exotic cordgrass, Spartina alterniflora, led to a net increase in the region's "blue carbon" storage, despite significant carbon losses from land reclamation projects.

A new study from Arak University offers a detailed examination of palm biodiesel's role in curbing transport-related carbon dioxide emissions in Malaysia. The research, conducted by Saeed Solaymani, analyzed data from 1990 to 2019 to determine the real-world effect of this biofuel. The findings show that while biodiesel offers a small long-term benefit, its immediate impact is less clear and its overall contribution to reducing emissions is minimal compared to the effects of fossil fuels.

A new review article in Carbon Research catalogs the various ways scientists can chemically alter the surface of carbon dots—tiny, fluorescent nanoparticles—to enhance their performance in a wide range of applications, from targeting cancer cells to improving agricultural yields. The work, led by researchers Abdullah Al Ragib and Ahmed Al Amin at Tianjin University, provides a detailed survey of the modification techniques that are expanding the functional capabilities of these versatile nanomaterials.

Cadmium contamination in soils used for rice cultivation is a significant agricultural and public health issue, particularly in many parts of Asia. This toxic heavy metal can be introduced into soils through sources like phosphorus fertilizers and industrial effluents. Rice plants have a relatively strong tendency to absorb cadmium from the soil, which can then accumulate in the grains. When people consume this contaminated rice, it poses a considerable risk to human health. Finding effective and accessible methods to reduce cadmium mobility in soil is therefore essential for food safety.

Vegetation restoration is a primary strategy for combating desertification and increasing carbon storage in soils. While the focus has largely been on biological decomposition, a new study from researchers at Northwest A&F University in China shows that non-biological chemical reactions play a substantial role in the soil carbon cycle. These abiotic processes, driven by reactive oxygen species ROS, can turn stored organic carbon into carbon dioxide gas, and their intensity depends on the type of vegetation being restored.

In a world grappling with mounting food waste and an urgent need for cleaner energy sources, scientists are exploring innovative ways to connect these two challenges. A new study by Sanjeev Yadav of Shiv Nadar University and Dharminder Singh of Gulzar Group of Institutions details a two-step thermochemical method to convert common food waste into a high-quality, hydrogen-rich gas. This work presents a practical pathway for transforming a problematic waste stream into a valuable energy carrier, addressing environmental concerns from multiple angles.

Military and industrial activities often leave behind a dangerous legacy of soil contamination. Two common secondary explosives, RDX Hexahydro-1,3,5-trinitro-1,3,5-triazine and HMX Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine, are particularly troublesome. These compounds are toxic to humans, animals, and plants and are resistant to natural degradation. Because they do not bind well to soil, they can easily seep into groundwater, posing a widespread environmental and health risk. Traditional methods for cleaning up this contamination are often expensive, inefficient, and can produce their own harmful byproducts.

A recent review article authored by researchers at the Eye Institute, Eye and ENT Hospital, Shanghai Medical College, Fudan University provides a comprehensive analysis of the emerging role of biochar in medicine. Biochar, a stable and porous carbon-rich material produced from biomass, is widely recognized for its benefits in agriculture and environmental remediation. This study shifts the focus to its less-explored, yet highly promising, applications directly related to human health.

As the demand for high-performance energy storage continues to grow for applications from mobile electronics to electric vehicles, scientists are exploring alternatives to conventional lithium-ion batteries. Lithium-selenium Li-Se batteries are a promising candidate due to their high volumetric energy density. However, their practical application has been hindered by a persistent problem that degrades their performance and shortens their lifespan.

A central issue in Li-Se batteries is the "shuttle effect," where intermediate compounds called polyselenides dissolve into the electrolyte during battery operation. These dissolved polyselenides then shuttle between the cathode and anode, leading to the loss of active material and irreversible reactions with the lithium metal anode. This process ultimately causes rapid capacity decay and low efficiency, impeding the development of reliable Li-Se batteries.

Arsenic contamination in drinking water is a serious global health issue, affecting millions of people. This toxic metalloid, often released into water systems from industrial discharge and mineral erosion, can cause severe health problems, including cancer and neurological disorders. Finding efficient, low-cost, and environmentally friendly methods to remove arsenic from water is a continuous challenge for scientists. Traditional methods can be expensive or produce secondary waste, creating a need for sustainable alternatives.