In the Greek educational system, the field of environmental education (EE) unofficially started in the 80s. Beginning in the 90s, the framework to promote EE in formal education was established, with teachers integrating EE into their teaching on a voluntary basis. In tertiary education, there are relevant optional courses included in Early Childhood and Primary Education Departments. There are also M.Ed courses for in-service teachers. A top-rated institution in Greece is the network of Centres of Environmental Education, which operate short-term programs for students and local communities across the country. NGOs also play an active role in supporting EE in K-12 education.
Link : https://thegeep.org/learn/countries/greece