The article highlights Georgios Arvanitakis' participation in the 'Pint of Science' event in Cologne, where he presented a groundbreaking approach to sustainable hydrogen production. His process involves using sulphur dioxide to convert industrial waste materials into hydrogen and sulphuric acid, offering an energy-efficient and economically attractive alternative to traditional methods. Georgios emphasized the practical applicability of his research, aiming to develop the process from laboratory scale to industrial implementation. The article praises his efforts in science communication, as he effectively conveyed complex scientific concepts in an engaging and understandable manner to a diverse audience. Georgios' passion for making a local impact through sustainable energy solutions shines through, reflecting his commitment to driving positive change. The 'Pint of Science' event not only provided a platform for researchers to connect with the public but also inspired curiosity and scientific enthusiasm among attendees. Overall, the article paints a positive picture of the potential of sustainable hydrogen production and the importance of innovative technologies in shaping a more sustainable future.