This open access volume explores Ukraine's challenges post-war, focusing on economic revival and sustainable development. Addressing scholars, policymakers, and practitioners the book discusses pivotal issues for the rebuilding of Ukraine, such as institutional changes, economic hurdles, social stability, and environmental rejuvenation. The book highlights the inevitable need for Ukraine's institutional transformation, essential for EU and NATO integration. It goes on to examine the global geopolitical and economic repercussions and emphasizes the pivotal role of energy independence in the European landscape. Through a multi-disciplinary lens encompassing political science, economics, and law, this book provides evidence-based insights and policy recommendations. Offering a comprehensive presentation of post-war challenges, it offers an invaluable guide for policymakers and practitioners interested in the complexities of Ukraine's reconstruction. This is an open access book.