parks and urban green spaces have always been places to spend hours away from the bustling life and its numerous problems. in the meantime, elderly people also have the same share from such spaces as other people. elderly, including old social groups with old age and decreasingly activities, have very leisure time and the possibility of using the urban park for voluntary and community activitie...

the environmental pollution is one of the factors contributing to the decrease of sperm quality for human beings. the aim of this study was to assess cadmium (cd), chromium (cr), and copper (cu) concentration of man in environmental pollution site, and explore relationships between men exposure to cd, cr, and cu and semen-quality parameters in environmental pollution site.ninety five men were r...

Water resource management is a crucial aspect of sustainable urban development, considering the increasing global urbanization and growing need for efficient water management. This abstract explores importance in promoting emphasizing integrated holistic approaches. It highlights key strategies, challenges, opportunities associated with management, aiming to achieve long-term environmental, soc...

the objective of this study is to measure the city of tehran’s environmental quality in 2006 (the last census year). primarily, with a comparative analysis of a variety of urban sustainability indicator models, a collection of 54 indicators have been chosen and categorized as indicators of increase or decrease in urban environmental quality in the form of a simple mathematical model. based on t...

Recently biodiesel has been receiving increasing attention as an alternative fuel due to its environmental benefits. Also, it is derived from renewable sources which are considered as strategic opportunities to favor environmental sustainability, to improve the population’s quality of life and to promote the development of more efficient and equitable economic systems. Since the petroleum crise...