Environmental Student Scientific Association Zist Sepehr Student Magazine 13 1 2018 04 21 The roots of our environmental crisis The roots of our environmental crisis 55 57 72204 FA Hamidreza Heydari Department of Environment, Gorgan University of Agricultural Sciences and Natural Resources Journal Article 2018 03 29 https://biosepehrsj.ut.ac.ir/article_72204_5a815cf855d94e03ee2ec9830152b988.pdf