Biresselioglu, Mehmet Efe2025-01-252025-01-2520241303-5754https://doi.org/10.58867/LEXK7384https://hdl.handle.net/20.500.14365/5795This study provides an analysis of the pathways through which the landscape of Transatlantic energy security has been changing. These pathways are marked by recent geopolitical crises and two outstanding challenges: strengthening energy security and achieving the green transition. The Ukraine war and rising tensions in the Middle East have once more demonstrated how fragile global supply chains are due to their dependence on Russian natural gas and reliance on oil from the Middle East. These crises have brought up the urgent need for energy diversification, with renewable energy being at the center and a strategic means of reducing geopolitical risks in this context. It also analyses how the recent developments have redefined the Transatlantic region's energy-related perspectives, especially how the United States and the European Union cooperate to ensure energy supplies while accelerating the transition toward sustainableeninfo:eu-repo/semantics/closedAccessEnergy SecurityGreen TransitionTransatlantic CooperationGeopoliticsDiversificationArticle10.58867/LEXK7384