The article discusses the growing interest in 'gold hydrogen,' or natural reserves of hydrogen found in the Earth's mountains. While hydrogen is seen as a promising fuel source due to its clean emissions profile, current production heavily relies on natural gas, hindering decarbonization efforts. Scientists at GFZ Helmholtz Centre for Geosciences in Potsdam, Germany, recently published a study highlighting the potential of mountains for hosting vast hydrogen reserves. These reserves are formed through a geologic process called serpentinization, where mantle rock comes into contact with water. The research suggests that mountains, particularly the Alpide belt which includes the Alps, Pyrenees, and the Himalayas, are ideal for natural hydrogen production due to various factors like colder temperatures and water circulation. This discovery opens up economic opportunities and signifies a potential shift towards a new natural hydrogen industry. With advancements in tectonic simulations and geologic research, the study marks a significant step forward in the exploration of green energy sources and the global transition away from fossil fuels.