Gulac, O., Dubchak, L., Iarmolenko, I. and Yanchuk, J. 2019. Cooperation of Ukraine and the European Union in the Ecological Sector: Directions and Prospects. European Journal of Sustainable Development. 8, 1 (Feb. 2019), 22. DOI:https://doi.org/10.14207/ejsd.2019.v8n1p22.