Since 2004, he has been Director of the Sustainable Development and Human Settlements Division of the United Nations Economic Commission for Latin America and the Caribbean (ECLAC). He was Director of the Center for Sustainable Transportation in Mexico City, a program established jointly by the Federal District Secretary of the Environment, the Interdisciplinary Center for Biodiversity and Environment, and the World Resources Institute. He served as Coordinator of International Affairs of the Ministry of Environment, Natural Resources and Fisheries from 1994 to 2000. As such, he participated in the negotiation of the Kyoto protocol and the Biosafety protocol. Represented Mexico in the North American Commission for Environmental Cooperation and before the OECD’s environmental policy committee. He has a doctorate in Natural Resources from the Faculty of Economics of the National Autonomous University of Mexico, a degree in Economics from the Autonomous Metropolitan University, a master’s degree in International Political Economy from the University of the Americas and a Fellow of the International LEAD Program of the Colegio DE México. He is the author and co-author of various publications on climate change, including the ECLAC book “The emergency of climate change in Latin America and the Caribbean”.