References
- Chipev, N. Global ecology and sustainable development. Proceedings of Third National Scientific-practical Conference on Biological Education, Varna, 2007, 11-18.
- IPCC, 2007: Climate change 2007: The physical Science Basis. Contribution of working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate change [Solomon, S., D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor and H.L. Miller (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 2007.
- https://climate.copernicus.eu/surface-air-temperature-may-2023
- https://climate.copernicus.eu/sea-ice-cover-may-2023
- https://www.climateka.bg/
- Fischer, E.M.; Sedláček, J.; Hawkins, E.; Knutti, R. Models agree on forged response pattern of precipitation and temperature extremes, Geophys. ES. Lett., 2014, 41, 8554-8562.
- https://climate-pact.europa.eu/
- Vrabcheva, T. Climate change in Europe and the spread of mycotoxins, National Center for Public Health and Analysis, Sofia, 2019.
- United Nations World Commission on Environment and Development, 1987.
- https://documents-dds-ny.un.org/doc/UNDOC/GEN/N92/836/55/PDF/N9283655.pdf
- To transform the World: Program until 2030. Resolution adopted by the UN General Assembly on 25 September 2015 (UN General Assembly, a/RES/70/1).
- Ordinance No.5/10.09.2019 on general education.
- Ordinance No.13/21.09.2016 on the civil, health, environmental and intercultural education.
- Curriculum by person and nature by 5-6. grade.
- Curriculum in biology by 7. grade.
- Curriculum in chemistry and environmental protection by 8. grade.
- Curriculum in chemistry and environmental protection by 10. grade.