Complex assessment of the ecological development of the country’s regions

Ecological development is one of the three components of sustainable development. To be able to analyse the impact of economic and social development on the ecological situation of the region, ecological development has to be assessed using quantitative methods. The ecological development of a region can be seen as a complex integrated phenomenon observed in many aspects. After formalizing them, i. e. converting them into criteria, we can form a system that upon applying multi-criteria methods will allow us to carry out a complex assessment of the ecological development of a region. The objective of this article is to provide methods for the quantitative assessment of the ecological state of a country’s regions. Review of scientific literature, analysis of statistical data and the methods applied in the theory multiple criteria have been used for the research