Washington D.C. [USA], Jan 12 (ANI): In between the choking air pollution and declining air quality indexes, a recent study has found out novel factors involving construction activities contributing to the hazardous environmental conditions.
Washington D.C. [USA], Jan 10 (ANI): A new comprehensive study revealed that construction activities and vehicular traffic contribute significantly to the Delhi National Capital Region's high concentrations of harmful air pollutants and gases.