The Evonymos Ecological Library collection in the database covers mainly the subjects of ecology, environment, nature, traditional agriculture, environmental education, consumerism as well as spatial and regional planning, urban planning, energy, economy, transports, culture, education, philosophy, history, geography, law, religion and any other theme from the viewpoint of the relationship between society and nature. Currently, 95% of the bibliographic records are in Greek language. Chronological coverage: 1787 - today. The 80 % of records concern books, brochures, offprints and maps while the rest 20 % covers newspaper and magazine articles. It includes more than 15,000 bibliographic records.