Air pollution
A nationwide unified Emissions Trading System (ETS) launched in China in 2021 has shown significant effectiveness in increasing the total trading volume of carbon emission allowances, according to a new study. The research used dynamic high-frequency data from 915 trading days, spanning from July 16, 2021, to April 29, 2025,
Air pollution
A team of researchers from the University of Alabama has developed a groundbreaking combined cooling, heat, and power (CCHP) system that utilizes solar energy, hydrogen production, and a hybrid fuel mixture (Hythane) to generate electricity and reduce greenhouse gas emissions in educational facilities. The system aims to enhance energy efficiency
Air pollution
As temperatures drop across Middle Tennessee, it's the perfect time for Nashville homeowners to focus on indoor air quality. During the heating season, HVAC systems circulate air more frequently, amplifying existing indoor air contaminants. To keep air clean and systems running efficiently, Right Time HVAC recommends regular maintenance
Air pollution
Climate change experts have pointed out that ozone and carbon dioxide have a complex relationship, with both gases influencing each other through interactions with vegetation. Research has shown that ozone forms at ground level through the interaction of nitrogen oxides and volatile organic compounds, while carbon dioxide primarily comes from
Air pollution
Delhi's air quality has been worsening over the past week, with the 24-hour average Air Quality Index (AQI) recorded at 296, categorizing it as 'poor' on Sunday. The Commission for Air Quality Management (CAQM) announced that the second stage of the Graded Response Action Plan (GRAP)
Air pollution
The Indian federal government has imposed restrictions under the Graded Response Action Plan (GRAP) Stage-II in Delhi-National Capital Region (NCR) following a steady rise in pollution levels. The Air Quality Index (AQI) in Delhi has shown an increasing trend, with readings of 296 at 4 p.m. and 302 at
Air pollution
A comprehensive study by researchers from Brigham and Women's Hospital has revealed that inhalers used to treat asthma and chronic obstructive pulmonary disease (COPD) are a significant contributor to greenhouse gas emissions in the US. The study, published in the Journal of the American Medical Association (JAMA), estimated
Air pollution
As cooler weather moves into Central Alabama, homeowners in Birmingham and surrounding communities are reminded by One Source Heating & Cooling to improve indoor air quality this fall. With homes sealed up to keep out the chill, airborne dust, allergens, and pollutants can quickly accumulate, impacting comfort, health, and HVAC
Air pollution
Delhi-NCR's Diwali festivities are marred by hazardous air quality, prompting the city to implement Stage 2 of the Graded Action Response Plan (Grap 2). The Air Quality Index (AQI) has entered the "very poor" category, with 24 out of 38 monitoring stations recording pollution levels in
Air pollution
Research conducted by University of Michigan School of Public Health investigators, published in the journal Environment International, reveals a significant association between particulate air pollution and cognitive decline in low-middle-income countries. The study analyzed data from India's Harmonized Diagnostic Assessment of Dementia for the Longitudinal Aging Study in
Air pollution
Delhi-NCR's Diwali festivities are marred by hazardous air quality, prompting the city to implement Stage 2 of the Graded Action Response Plan (Grap 2). The Air Quality Index (AQI) has entered the "very poor" category, with 24 out of 38 monitoring stations recording pollution levels in
Air pollution
Scientists at Sichuan University have employed machine learning techniques to develop more accurate predictive models for emissions in gasoline-alcohol blends. By using Gradient Boosting, Random Forest, Bootstrap Aggregating, and Extreme Gradient Boosting (XGB) algorithms, the researchers aimed to improve the accuracy of predictions for carbon monoxide, unburned hydrocarbons, and nitrogen
