1. Frederick Research Center, Nicosia, Cyprus
2. School of Education, Frederick University, Nicosia, Cyprus
3. Environmental Education Unit, Cyprus Pedagogical Institute, Ministry of Education and Culture, Nicosia, Cyprus
4. Institute of Biology, Karlsruhe University of Education, Karlsruhe, Germany
5. Department of Secondary Education, University of Alberta, Edmonton, Canada
6. University of Calgary, Alberta, Canada