Utilization of geothermal springs as a renewable energy source: Vranjska Banja case study

Despite the significant natural potential, geothermal energy in Serbia has traditionally been used in balneology and recreation, while its share in the country’s total energy balance is almost negligible (0.05%). The present paper deals with the City Municipality of Vranjska Banja as a pioneer in the territory of Serbia in using geothermal energy for heating. The concept and methodology of the present research are directly related to the utilization of geothermal resources for district heating in the Vranjska Banja area. The presented analysis includes: determining the available amount of energy, identifying the energy needs of selected public facilities, and the estimation of investment necessary for energy utilization. A survey, combined with field research, is focused on four public facilities connected to the heating system relying on geothermal sources, as well as on two facilities that should be connected to the system in the next phases. The results show economic, ecological, and technological advantages of using geothermal heating systems, as well as the acceptable price of equipment maintenance. An economic assessment of the transition of one facility from the existing heating system to a system relying on geothermal energy has also been made. The analysis confirms the cost-effectiveness of using geothermal energy and reveals numerous ecological advantages (safe heating, absence of CO2 emission) over other energy sources

Public knowledge on karst and protected areas: A case study of Tara National Park, Serbia

The aim of this paper is to present the results of our research on the knowledge and awareness of visitors and residents about karst and protected areas (PAs). The research was carried out in the Tara National Park (NP) in western Serbia, which includes karst landscapes. By conducting surveys with visitors, local population, and National Park employees, as well as interviews with local key persons, NP key persons and external experts, we got a deeper understanding of the issues related to knowledge on karst and PAs. We also investigated whether local people or visitors knew the values of karst landscapes in general and how they were informed or learned about the Tara NP. In addition, we also analysed the content of these topics in school curricula and textbooks in Serbia. We concluded that the awareness about the researched topics is unsatisfactory at present thus it should be raised to a higher level, both in the case of local people and in the case of visitors. One of the most significant ways to improve the current level is through formal, non-formal, and informal education.The paper is a result of the project funded by the Research, Development and Innovation Office Hungary (NKFIH) K124497 and supported by the Ministry of Education, Science, and Technological Development, the Republic of Serbia. We thank all respondents who participated in the survey, as well as the Tara NP authorities (management) and Nikola Tomić for logistical support. Also we thank the reviewers for helping us to improve the paper