the abbreviation for the university twinning and networking scheme. This UNESCO Programme was established in 1992. The UNITWIN/UNESCO Chairs Program consists of the establishment of UNESCO Chairs and UNITWIN Networks in higher education institutions. The UNITWIN/UNESCO Chairs Program promotes international inter-university cooperation and networking to enhance institutional capacities through knowledge sharing and collaborative work. The Program supports the establishment of UNESCO Chairs and UNITWIN Networks in key priority areas related to UNESCO's fields of competence – i.e. in education, the natural and social sciences, culture and communication. Through this network, higher education and research institutions all over the globe pool their resources, both human and material, to address pressing challenges and contribute to the development of their societies. In many instances, the Networks and Chairs serve as think tanks and as bridge builders between academia, civil society, local communities, researchers and policy-makers. They have proven useful in informing policy decisions, establishing new teaching initiatives, generating innovation through research and contributing to the enrichment of existing university programs while promoting cultural diversity. As of May 2017, about 700 Chairs are established within the program around the globe in 116 countries covering about 70 disciplines. There are presently 24 UNESCO Chairs in the field of environmental education and education for sustainable development. In March 2017 Payame noor University as 14th UNESCO chair in Iran was selected by UNESCO to establish a chair in the field of Environmental Education specially in the regard of waste management for 4 years. Dr. Seyed Mohammad Shobeiri selected as Chair holder and leads the program. Student life Payame Noor University has numerous sports, religious, and cultural centers and extracurricular activities, and tries to direct the potential energy of the youth in the right directions. Payame Noor University has also an analytical news agency which known an UPNA. Payame Noor University has more than 21 student scientific associations. Publishing Payame Noor University [Conference] System is in fact an online system that helps Payame Noor University Centers to hold their scientific conferences at the international, national and regional levels without having to worry about conflicts with traditional methods of receiving articles and judging them. This system manages all the stages of holding a conference from launching the website and informing to registering and receiving papers. Publishing of about 2700 books at the editorial office from 1988 to 2018. Rankings PNU is ranked by the Center for World University Rankings