On the 5th of April 2023 Prof. Oliver Ruppel and Prof. Renate Pirstner-Ebner gave presentations at the Center for Renewable Energy at the University of Cienfuegos on the topic "Just Energy Transition in Times of Global Energy Crisis: An International Climate Law Perspective" and "Best Practice Models for the Promotion of Renewable Energy". After a discussion with the professors and students, the Vice Dean for Research Dunia Maria Garcia Lorenzo and the Center of Energy and Environment (CEEMA) director, Prof. Zaid Garcia Sanchez and other interested professors discussed cooperation possibilities in research and teaching between the Center for Energy and Environment the Research Center for Climate Law, University of Graz.