List of Articles Open Access Article Abstract Page Full-Text 1 - Assessment of Extend and Estimate of Quantity of petroleum Leakage in underground layers of Abadan Refinery Area Open Access Article Abstract Page Full-Text 2 - Comparison of Thermal Stratification in Proposed Bakhtiari Reservoir in Lacustrine and Transitional zone with CE-QUAL-W2 Mehrdad Nazariha Erfan i Danae Sayed Hossein i Hashem Amir Hossein Izaddoustdar Open Access Article Abstract Page Full-Text 3 - A Survey of the Production of Paste Tailing in Agh-Darreh gold beneficiation complex and its Environmental Impacts Sajad Haghir Chehreghani Hojat Hossein Zade Reza Samifard Aref Alipour Open Access Article Abstract Page Full-Text 4 - Investigation on Social Benefits of Substitution of Gasoline with CNG in Tehrans Taxis Zahra Abedi Farideh i Atab Mohammad Soofi Open Access Article Abstract Page Full-Text 5 - Investigation and determination of influential factors on small industries’ willingness to pay (WTP) in order to reduce the environmental pollutions (Case study: Sari County) Hamid Amirnejad Hamed Rafiee Open Access Article Abstract Page Full-Text 6 - Assesment of Environmental Impact of the Project of Suggested Area for Burying Garbage on the Biological Environment of the City of Tehran Sayed Masoud Moneavri Mohammad Reza Sadeghi Benis Atefe Isanazar Foomani Open Access Article Abstract Page Full-Text 7 - Monthly Changes in Water bird Population, Diversity and Density in Howr-al-Azim, Wetland Behrouz Behrouzirad Abdorrahman Rasekh Nasrin Eshraghian Open Access Article Abstract Page Full-Text 8 - Localizing and Design for tourism village in "dare eshgh" Gohar Frouzande Shahraky Esmaeel Kahrom Hassanali Laghaee