Territorial Classification of EU Countries Based on the Quality of Environmental Actions in Renewable Energy and Air Pollution in the Years 2015–2017 | 2025 Publication type A1 Journal article (refereed), original research Author(s) Kuźmiński Łukasz, Bilan Yuriy, Norek Tomasz, Rabe Marcin, Widera Katarzyna, Łopatka Agnieszka, Streimikiene Dalia Energy transition Energy (miscellaneous) LUT School of Engineering Sciences