further to emerging the environmental protection thoughts in the 1970's, most of the governments in the developed countries have been faced with social pressures for taking actions in order to stop the degradation in the environment and the quality of life. in response to such a societal desire, those governments have approved the requirement of environmental impact statement for the proje...

the literature review of increasing construction density shows that it can have positive and negative impacts on urban development and a way to urban consolidation. nevertheless, it may facilitate urban life and enhance quality of life, as two major topics and subjects in the process toward sustainability and sustainable urban development issues. the literature related to the sustainability ind...

Objective: The purpose of this study was to identify affecting factors on students’ environmental protection behavior (SIPB). Methods: Statistical population of this research consisted of 1480 students in Alborz agricultural technical higher education centers. A stratified random sampling method was used to select 145 student applying Cochran's formula. The main tool to collect data was a resea...

this research investigates the vegetation of 4600 ha of polour semi-steppe rangelands in relation to edaphic and physiographical parameters in mazandaran province. for this purpose, 23 land units were selected from overlaying slope, aspect and elevation maps using geographic information system (gis). within each unit, 3 parallel transects with 100 m length, each containing 10 quadrates (accordi...

this research was conducted to investigate the relationships between soil(organic matter, potassium, phosphorous, sodium, fine gravel, soil texture, ec, lime,gypsum, nitrogen) and environmental (elevation, slope) factors with distribution ofvegetation types in rangelands of sabzdasht, located in bafgh, yazd province at 2012. forthis purpose, four vegetation types were selected as follows: artem...

SWOT analysis is used extensively as an assessment and planning method, particularly in tourism planning. However, there are little documentations on application of SWOT analysis in ecotourism. An assessment on systematic use of SWOT analysis was carried out in the present study to highlight the applicability of the SWOT technique in detailed investigations. In this study, based on field survey...

Due to the importance of energy consumption in a steam network of oil refinery as a significant unit, present study is concerned with the optimization of an oil refinery steam network. Here, the attempt was made to use concepts such as first and second thermodynamic laws, thermo-economic, environmental and economic discussions to investigate three different scenarios about Tehran refinery steam...

despite several authors having studied the strategic approach to environmental orientation and,considering that environmental proactivity is emerging in business strategy, it still remains unclear which realactions influence a firm’s environmental orientation. an empirical analysis of a sample of 126 spanish companies shows that firms’ actions are explained as training, information and divulgat...