The pressing issue of climate change has propelled the global community towards a monumental shift from fossil fuels to renewable energy sources. Among these sources, hydrogen energy has emerged as a promising solution to decarbonize our economy and combat greenhouse gas emissions. Green hydrogen, produced using renewable energy through electrolysis, is considered the most sustainable option despite its current higher production cost. The energy density and abundance of hydrogen make it a valuable resource for generating electricity, powering vehicles, and supporting industrial processes. Different types of hydrogen, such as gray, blue, green, and others, each have their advantages and challenges, with green hydrogen being the most environmentally friendly choice. The development of a hydrogen economy is gaining momentum globally, with countries like the US, EU, China, India, and Japan leading the way with significant investments and ambitious targets. Governments are implementing strategies and policies to accelerate the adoption of hydrogen technologies and reduce production costs. Key equipment like electrolyzers and fuel cells play a crucial role in the green hydrogen value chain, with advancements in efficiency driving down costs. With the world collectively working towards achieving net-zero emissions by 2050, the green hydrogen revolution is seen as a transformative force in shaping our energy future. The potential of hydrogen to revolutionize our energy systems and drive sustainable development is driving investments and innovation in the sector. As countries race to establish hydrogen economies and meet emission reduction targets, the future of energy appears increasingly reliant on the widespread adoption of green hydrogen.