Green hydrogen, produced through the electrolysis of water using renewable electricity, holds immense promise as a clean and versatile energy carrier. Unlike conventional hydrogen production methods, which rely on fossil fuels and emit carbon dioxide, green hydrogen production generates no greenhouse gas emissions, offering a sustainable solution for decarbonizing various sectors such as industry, transportation, and power generation. Green hydrogen can be stored and transported easily, providing flexibility and stability to renewable energy systems by serving as a form of energy storage or a feedstock for industrial processes. Moreover, when used in fuel cells, green hydrogen can power zero-emission vehicles and serve as a backup power source in grid applications. While the scalability and cost-effectiveness of green hydrogen production remain challenges, ongoing technological advancements, coupled with supportive policies and investments, are driving the rapid development and deployment of this promising clean energy solution, paving the way for a greener and more sustainable future.