The UK Civil Aviation Authority has taken a significant step towards achieving sustainable aviation by establishing the Hydrogen Working Group (H2Wo). This group will play a crucial role in promoting the use of hydrogen as an aviation fuel, with a key focus on advancing hydrogen-powered aircraft and the necessary infrastructure at airports. The collaboration between regulators, government entities, industry players, academics, and community representatives showcases a holistic approach to driving innovation in the aviation sector. By launching initiatives like the Hydrogen Challenge and forming the H2Wo, the UK is actively working towards the goal of achieving net zero emissions in aviation. The involvement of experts from various fields indicates a comprehensive strategy to ensure the safe and efficient integration of hydrogen technology in the aviation industry. Sophie O’Sullivan's emphasis on the importance of hydrogen in realizing zero-emission flights underlines the commitment to sustainability and innovation. The upcoming deadline for applications to join the H2Wo reflects the urgency and dynamism in this endeavor, further supported by the substantial grant secured for the Hydrogen Challenge.