An inquiry has emphasized the urgent need for investors in authentic clean industries to make timely decisions, with a specific focus on green hydrogen production. The discussion revolved around the proposal of a certification scheme that would specifically cover green hydrogen manufacturing processes reliant on renewable energy sources. One of the key suggestions put forth was the implementation of a time-stamp system that could precisely monitor green hydrogen production on an hourly basis. The introduction of such a system would play a crucial role in demonstrating the legitimacy and environmental benefits of green hydrogen. By tracking production at such a granular level, the industry aims to enhance transparency and build trust among investors and consumers. This initiative underscores the growing importance of green hydrogen in the transition towards sustainable energy solutions and the critical role it plays in reducing carbon emissions. Overall, the sentiment towards green hydrogen in the article is positive, portraying it as a key player in the shift towards cleaner energy alternatives.