Social sustainability classes typically study the use of concepts from various disciplines to make evaluations about the sustainability of several different trends that are salient to humans. Classes often look at issues such as ethics, social movements, the environment, politics and land development.

Spain, officially the Kingdom of Spain, is a sovereign state and a member state of the European Union. It is located on the Iberian Peninsula in southwestern Europe. Spanish universities regulate access to their degrees, and they fix the academic fees. They can also offer unofficial postgraduate degrees. Madrid has the largest number of bars per capita of any European city and a very active nightlife.