BACKGROUND It took over two decades to achieve the removal of leaded gasoline in this country. This was despite international evidence and original research conducted in New Zealand on the harm to child cognitive function and behaviour from lead exposure. OBJECTIVE To identify lessons from the New Zealand experience of removing leaded gasoline that are potentially relevant to the control of o...

In this study, the effect of inlet concentration pollutants, empty bed residence time (EBRT) and liquid recycling velocity on performance BTF was explored. The results showed best operating characteristics biotrickling filter for study were at an 500 mg/m3�Cthe EBRT 300s 25.46 m h-1. At condition, total removal efficiency pollutants can reach more than 90%. Among them, toluene ethylbenzene abov...

"Dehalococcoides" bacteria can reductively dehalogenate a wide range of halogenated organic pollutants. In this study, DNA microarrays were used to monitor dynamic changes in the transcriptome as "Dehalococcoides ethenogenes" strain 195 transitioned from exponential growth into stationary phase. In total, 415 nonredundant genes were identified as differentially expressed. As expected, genes inv...

The environmental impact of chemically reactive air pollutants on both local air quality (smog) and the regional ecosystem (acid rain) is well established. The chemical and meteorological models used to study these problems are well known to most at this conference. On a larger scale are the potential impacts of air pollution on the global environment, both direct (air quality, sulfur and nitro...

In view of the extensive use of foraminifers for the pollution monitoring especially their unmatched utility in deciphering the temporal variation in the type and concentration of pollutants at a given location, the literature dealing with the application of foraminifers for pollution studies has been reviewed. The pollution monitoring through foraminifers started with attribution of peculiar f...

During the last decades research all over the world has highlighted the deleterious effects of pollution on respiratory health of adults and children. Nevertheless, air pollution still represents a significant threat to health. Children are more sensitive than adults to pollutants for several factors: increased respiration relative to body size; physiologic immaturity of respiratory and immunol...

Arsenic and many of its compounds are toxic pollutants in the global environment. They can be transported long distances in the atmosphere before depositing to the surface, but the global source-receptor relationships between various regions have not yet been assessed. We develop the first global model for atmospheric arsenic to better understand and quantify its intercontinental transport. Our...

BACKGROUND Statistics on lung cancer incidences and air pollutants show a strong correlation between air pollutant concentrations and pulmonary diseases. And environmental effects on lung cancer incidences remain highly unknown and uncertain in China. OBJECTIVE This study aims to measure the relationships between different air pollutants and lung cancer incidences in Tianjin. METHODS One th...