ZeroAvia and Airbus are collaborating to assess the feasibility of hydrogen infrastructure at airports in Montreal, Toronto, and Vancouver, as part of an initiative to achieve net-zero aviation emissions by 2050. While electric vehicles dominate discussions on sustainability, sustainable aviation, particularly hydrogen as a fuel source, is gaining traction for its potential in decarbonizing hard-to-abate industries like aviation. ZeroAvia has successfully conducted test flights using zero emissions hydrogen power and plans to introduce a 20-seater hydrogen-fueled aircraft to the market within two years. ZeroAvia envisions hydrogen playing a crucial role in the aviation sector, with plans to operate hydrogen-fueled jumbo jet flights within 15 years, offering a cleaner, quieter, and more efficient flying experience. The company aims to produce green hydrogen using electrolysis at airports, emphasizing safety and efficiency in fuel conversion to electricity. NASA suggests that hydrogen may offer safer and more efficient alternatives to traditional jet fuels. The hydrogen market's growth is projected to be substantial, transitioning from grey hydrogen production from coal and natural gas to green hydrogen from low-carbon sources. Collaborative efforts between countries and companies aim to scale up green hydrogen production and expand its utilization in various sectors. ZeroAvia's ambitions extend to retrofitting existing planes and pushing for the adoption of hydrogen-powered aircraft in the new market. While challenges like infrastructure development and cost reduction exist, initiatives like the U.S. Department of Energy's 'Earthshot' program target advancing clean hydrogen technology. By partnering with industry players and investing in technology advancements, companies like ZeroAvia are driving progress towards a sustainable aviation future, aligning with global efforts to combat climate change and promote environmental stewardship.