The journey towards tangible sustainability outcomes necessitates a fusion of technological advancements with strategic experimentation. In this pursuit, 6G-VERSUS emerges as a pioneering initiative, leveraging cutting-edge 6G research facilities across Europe to explore the frontiers of sustainable technology. Through meticulously designed trials and pilots, 6G-VERSUS addresses pressing challenges in 5 environmentally conscious vertical industries. In this regard, 6G-VERSUS introduces a novel methodology, transforming existing use cases into 6G applications, comprising Vertical App (V-App), Network App (N-App), and AI-assisted App (AI-App). This triadic structure optimizes the data and control planes of 6G systems, facilitating seamless information flow and decision-making processes. With the support of six (Stream C) 6G platforms spanning across Europe, 6G-VERSUS aims to demonstrate the profound sustainable, economic and societal impact of 6G technology, propelling towards a more sustainable and prosperous society.