The article highlights the significant role of hydrogen in decarbonizing sports and entertainment events, focusing on the transition of Extreme E to Extreme H, the world's first hydrogen-powered motorsport series. GeoPura, in collaboration with Siemens, is at the forefront of providing sustainable hydrogen solutions for event planning. By utilizing hydrogen power units (HPUs) that convert green hydrogen into clean electricity, GeoPura ensures reliable, uninterrupted power for large-scale events while significantly reducing emissions. Hydrogen's benefits extend beyond energy generation to various event operations like transport, lighting, and catering, enhancing sustainability and minimizing the carbon footprint. The deployment of hydrogen in Extreme H not only demonstrates its technological capabilities in challenging environments but also amplifies visibility, inspiring wider adoption in high-energy sectors. GeoPura's successful implementations in events ranging from music festivals to broadcast media and construction sites showcase the efficacy of hydrogen in reducing emissions and promoting clean energy practices. By investing in the production of green hydrogen through renewable energy sources, GeoPura sets a precedent for sustainable hydrogen usage in the UK, indicating a promising future for hydrogen technology in the events industry.