The present paper deals with the assessment of heavy metals in soil and roadside dust around Misurata City Centre and industrial areas/roads in the period of October 2011-May 2012. The levels of Pb, Fe, Zn, Ni, Cd, Cr, and Cu in settled dust samples collected near small streets, playgrounds, gas stations and main streets in the Misurata Area have been determined by inductively coupled plasma at...

The aim of this study was to investigate factors associated to frequent and heavy drug use among street children and adolescents aged 10 to 18 years. A sample of 2,807 street children and adolescents from the 27 Brazilian state capital cities was analyzed. A World Health Organization questionnaire for non-students was adapted for use in Brazil. Data analysis was performed using logistic regress...

Redesigning of the traffic system on highways, streets and avenues is quite important, when aspects such as network plan, geometric design, traffic control, operation, regulation and enforcement of roads are considered as a unified system. The ‘highways’, which should primarily consider transport function for intercity connections, and ‘streets and avenues’, which should also involve the variou...

This paper presents the results obtained in a study of environmental noise pollution in Alexandria city. Alexandria is a coastal city. It is the second largest city in Egypt. Thirty seven sampling sites were selected to measure the noise level at three main streets in the city (Elgish Street, Horreya Avenue and Circular Highway). The minimum noise levels recoded at Elgish Street, Horreya Avenue...