The article extends existing research on the issue of environmental awareness in the tertiary education space. The aim of the article is to identify relevant activities for building the university’s environmental identity and environmental awareness in the European area. The results of the research confirmed that the 17 Sustainable Development Goals (SDGs) established by the United Nations are being used in selected public universities, with activities focusing mainly on emissions, water, energy, food, waste reduction and recycling, finance, transportation, social responsibility, sustainability policies and strategies, and student/employee participation. The questionnaire survey showed that the topic of green activities at Matej Bel University in Banská Bystrica (MBU) for employees is very important or important. Experts generally consider the most important strategic documents that reflect the current and future situation and respond to the idea of sustainable development for future generations, cooperation with other institutions and organizations, including active participation in environmental awareness-raising activities.