List of Articles Open Access Article Abstract Page Full-Text 1 - Providing optimal methods for water treatment and waste water containing sulfur color Sahar Tabibian Azam pirkarami Open Access Article Abstract Page Full-Text 2 - Combination of Magnetic Parameters: An Efficient Way to Discriminate Soil Contamination Sources (A Case Study: The Soils Surrounding Zanjan) Ali Afashari hossein khademi Open Access Article Abstract Page Full-Text 3 - Nanotechnology and reduction in air pollution Emissions Narges Arab Sara Haghighimanesh Open Access Article Abstract Page Full-Text 4 - Investigation and Comparison Capabilities of Common Methods of Environmental Impact Assessment and ELECTRE-TRI Multi-Criteria Decision Method Mojtaba Barzehkar Nargess Kargari Naghmeh Mobarghaee Dinan Open Access Article Abstract Page Full-Text 5 - Earth-Sheltered Building, an Idea Compatible with Environment Fatemeh Akrami Abarghuie Open Access Article Abstract Page Full-Text 6 - Investigation Education Methods for Citizens the implementation and operation of wastewater Akramolmolok Lahijanian Zohre mohamadi