Study Finds High Levels Of Pollutants In Guánica Bay
The pollutants measured in the sediments of Guánica Bay, Puerto Rico, in a new NOAA study were among the highest concentrations of PCBs, chlordane, chromium and nickel ever measured in the history of NOAA’s National Status & Trends, a nationwide contaminant monitoring program that began in 1986.
Winter Haze over Bangladesh
According to a study based on data from ground-based air quality sensors, about one third of the fine particulate pollution comes from motor vehicles, one third from brick kilns, and the rest from winds blowing dry soil and road dust. The brick industry, which mainly operates in the winter, is a major source of particles because most brick makers in the region rely on inefficient fixed-chimney kilns.