Hydrogen emission refers to the release of hydrogen gas into the atmosphere, which can occur through various natural and industrial processes. This gas is colorless, odorless, and highly flammable. Hydrogen is often produced during the breakdown of organic materials, in chemical reactions, or as a byproduct of certain industrial activities, such as petroleum refining. The significance of hydrogen emission lies in its potential impact on the environment and energy systems. While hydrogen itself is not a greenhouse gas, its production and use can influence climate change and air quality. Efforts are being made to manage and reduce hydrogen emissions, particularly in the context of transitioning to cleaner energy sources.