Environment is today and for years one of the most important concerns for humanity. Practically most of the administrations and personally, a large part of the population of the planet is already convinced of the need to undertake plans in favor of environmental protection. Although, it is then difficult they materialize into concrete actions, which are increasingly more priority. One of the requirements needed and feasible, for both public and private organizations, and citizens in general are activities supported in the tourism field with the conservation of natural resources and the environment in general. This is the aim and comes to be called: ecotourism. As the global code of ethics for tourism prepared by the World Tourism Organization (UNWTO) which defines, among its 10 items, collect it what is or should be eco-tourism (eco-tourism): all tourist development agents have the duty to safeguard the environment and natural resources, with the prospect of a healthy, steady and sustainable, economic growth that is capable of equitably meeting the needs and aspirations of present and future generations. Therefore, eco-tourism or tourism as a factor of sustainable development, it has to be one of the commitments of organizations, companies and entities involved in tourist activities anywhere in the world. So they must include within its usual business management new environmental dimensions and commit themselves firmly and real sustainable development.
In addition to worry in extending these criteria to all their staff and their customers. Currently there are different possibilities that facilitate and offer instruments in order to comply with a certain order and concert: iso standards, conventions and agendas. That it promotes eco-tourism at the international level and in different Nations. And ensure that any use of tourism facilities is consistent with the environmental criteria required, enjoying the spaces and services committed to the space of enjoy and, more globally, with our planet. Likewise, increasingly are more common, tourism agencies to avail themselves to such principles of ecotourism and sustainable tourism.