Swiss aviator Bertrand Piccard, famous for his 2015 solar-powered flight, now spearheads the Climate Impulse project, aiming to achieve a historic nonstop global flight using green hydrogen by 2028. The project, based in Les Sables d'Olonne, France, has garnered substantial support from industry players like Airbus and the science incubator Syensqo. Piccard envisions the two-seater plane, powered by liquid hydrogen split from water molecules using electrolysis, as a game-changer in sustainable aviation. Despite facing significant technological hurdles, including untested innovations and scalability issues, Piccard remains determined to showcase the feasibility of green hydrogen-powered flight. The project's success could pave the way for greener commercial aviation, reducing carbon emissions in the industry. The team has made progress in constructing the aircraft, with test flights scheduled for the coming year to validate the fuel cells and propulsion systems. Challenges remain in regulating liquid hydrogen flow, maintaining extreme temperatures, and ensuring safety due to the fuel's flammability. While the environmental benefits of using liquid hydrogen are promising, experts emphasize the need for further research on its real-world impact. The project's ambitious goals align with global efforts to transition to more sustainable aviation practices, with hydrogen emerging as a potential solution. Despite the complexities involved, the Climate Impulse project represents a bold step towards revolutionizing air travel and combating climate change in the aviation sector.