Club Universidad Nacional Club Universidad Nacional Club de Fútbol Universidad Nacional A.C., commonly known as Pumas de la UNAM, Pumas UNAM, UNAM, or Pumas, is a Mexican league football club based in Ciudad Universitaria. Club Universidad Nacional represent the National Autonomous University of Mexico (UNAM) and play their home matches at Estadio Olímpico Universitario, located on UNAM's main campus. Universidad Nacional is one of the most popular clubs in Mexico. They have won seven Primera División championships and four international titles. The team is also known for their youth development system which has produced international players such as Hugo Sánchez, Manuel Negrete, Luis
Enrique Leff etc. Enrique Leff Enrique Leff (born Mexico, 1946) is a Mexican economist, who defines himself today as an environmental sociologist and environmentalist. He has written 25 books and 180 articles on political ecology, environmental sociology, environmental economics, environmental epistemology and environmental education. He is regarded as one of the key environmental thinkers in Latin America. After a degree in chemical engineering from UNAM (Universidad Nacional Autónoma de México) in 1968. Leff graduated with a Doctorat de Troisième Cycle in development economics from the École Pratique des Hautes Études, Paris, in 1975. Leff lectured at UNAM (Universidad Nacional Autónoma de México)