In the pursuit of sustainability, green hydrogen has emerged as a transformative force in combating climate change. Companies like FuelCell Energy, Bloom Energy, Plug Power, Adani Green Energy, Air Products and Chemicals, Sinopec, Air Liquide, Linde, and Shell are leading the charge in revolutionizing industries with green hydrogen technologies. These companies are deploying innovative approaches, from trigeneration technology to solid oxide electrolyzers, to produce green hydrogen and drive sustainable practices in transportation, industrial processes, and energy storage. Investments in the green hydrogen market are flourishing post-COP26, attracting a wide range of stakeholders from governments to private investors. Despite challenges such as scaling production and reducing costs, the momentum for green hydrogen is accelerating with support from innovation and government policies aligning with climate goals. Early investments in green hydrogen present an opportunity within ESG portfolios, offering environmental and economic benefits as the demand for clean energy rises. The potential applications of green hydrogen are extensive, from powering logistics platforms to decarbonizing steel production, showcasing its versatility and impact across various sectors. By investing in green hydrogen, companies are not only transforming industries but also paving the way for a sustainable future for generations to come.