1999 UNAM strike the closure. On February 1, 2000, students and workers opposed to the strike clashed with CGH and their supporters. This incident occurred when 200 students attempted to enter an UNAM-owned and run high-school, not on the main campus, to try to restart classes. 400 federal police officers were sent to open a way through the barricades, which they accomplished with many injuries, and even some fatal ones. On February 7, 2000, federal police stormed the university's main campus, ending the takeover. A total of 632 people were arrested during that ultimate day of violent clashes. 1999 UNAM strike The 1999-2000
Enrique Leff 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) full-time