A new investigation into air quality in northern China has determined a strong connection between winter domestic heating and elevated levels of carbonaceous aerosol pollution. The study, led by researchers Yuewei Sun and Jing Chen at the State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, focused on Yuncheng, a city in the heavily polluted Fenwei Plain. The findings show that during the winter heating period, concentrations of organic and elemental carbon in fine particulate matter PM2.5 increased by over 58 percent.

A comprehensive review by scientists at the University of Science and Technology of China, Nanjing Agricultural University, and other collaborating institutions details a promising approach to combat cadmium contamination in rice. Cadmium, a toxic heavy metal, poses a significant threat to global food safety as it accumulates in paddy soils and is readily absorbed by rice plants. This contamination reduces crop yields and presents serious health risks to the more than 50% of the global population that relies on rice as a primary food source. The study examines how applying biochar and selenium to the soil can effectively limit cadmium uptake, leading to safer rice and improved harvests.

Researchers have developed effective methods for neutralizing the hazardous, highly alkaline waste from aluminum production, known as red mud, while simultaneously using it to capture and store carbon dioxide. A study led by scientists including Junhao Qin from South China Agricultural University and Chuxia Lin from Deakin University details how both rapid and slow treatment processes can convert this industrial liability into an environmental asset. The findings present new strategies for managing industrial waste in a more sustainable, circular economy

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.