Luz Aída Martínez Meléndez is from Mexico City and is a current PhD student of Natural Resources, Environment and Ecological Economics at the University of Vermont in the US where she obtained the Masters in Science degree in 2007. She studied International Relations at the Autonomous Technical Institute of Mexico (ITAM) and was awarded with a Special Mention for her thesis including an interview with a former President of Mexico. She worked for seven years for the Ministry of Environment and Natural Resources in Mexico (SEMARNAT), developing national environmental management systems and coordinating the named Sustainable Administration Program. The results of this work were presented in conferences at the United Nations (UN), at United Nations Environmental Program (UNEP) in Latin America meetings, and at the North American Commission for Environmental Cooperation (CEC). She is also an active participant since 2001 of the North American Green Purchasing Initiative (NAGPI), coordinated by the CEC, which aims to involve all sectors of the society in a more sustainable way of production and consumption.