BACKGROUND Vehicle exhaust is a major source of exposure to Polycyclic Aromatic Hydrocarbons (PAHs) found in the urban atmosphere. Newsagents usually work close to heavy traffic flow. The purpose of this study was to assess the breathing zone exposure of newsagents to PAHs found in the urban atmosphere of Tehran City during summer and autumn seasons and comparing the levels of exposure in both ...

introduction commuting between urban centers and rural areas is a phenomenon that observed in all countries with different social and economic structure. commuting is a new phenomenon in move of population that emerged with metropolis development. this phenomenon is different with other population movement. because this move does not change in residential place, population work in other place. ...

Marginalization is one of the consequences of economic and social crises in Iran during recent years, which has caused many problems on the margin of large cities such as Tehran. Lack of living standards, as well as urban management supervision, have caused environmental problems to be one of the damages of these areas to its inhabitants and surrounding urban areas. Environmental degradations i...

The study of design and formation of urban space focuses on interaction of human and environment. This is an attractive subject that considers as interdisciplinary debates. Thinkers of urban studies pay attention to this matter empirically and theoretically in order to provide a desirable space for human being. This research is based on the theories of urban studies and urban sociology and so o...

studies on urban policy making are widespreading in the developed countries. however, these studies have not been widely established in iran yet. this article is, therefore, an attempt to attract the attention of specialists and students of public policy in iran on the importance of such studies. tehran, one of the largest metropolitans of the world, rightly provides a relevant context to capit...