Welcome to the Advancements in Sustainable Engineering (CASE 25) conference, hosted by Frederick University in Cyprus on September 11-12, 2025. This annual event brings together leading researchers, academics, industry experts, and policymakers from around the world to share groundbreaking advancements and foster collaborative solutions in the field of sustainable engineering. CASE 25 aims to drive innovation and knowledge exchange on sustainable practices and technologies, with a special focus on addressing the pressing environmental challenges of our time.