Designing A National Park With An Optimized Approach To Using New Materials In Order To Prevent Global Warming Shiva Babazadeh Namini Faculty of Architecture and Urbanism Engineering “M.Sc” of Urbanism – Urban Design Trend Islamic Azad University of Qazvin, Barajin branch, Qazvin, Iran. Abstract A variety of materials have long been used by humans. Among these, steel and concrete can…