The Complutense Institute of International Studies (ICEI) is a multidisciplinary center with long experience in research. The ICEI experience has been broadly demonstrated on its high level of international projects and publications. The ICEI has many research fields. One of them is Sustainability and Environmental Studies.The Sustainability and Environmental Studies Program was formed to promote research and discussion of current phenomena in relation to the environment. Our research focuses primarily on the economics of natural resources, though we also welcome collaborative efforts covering other aspects of environmental studies.