Hydrogen, the most common chemical element in the universe and most commonly associated with water, is necessary for all living organisms. Hydrogen is currently being discussed outside the typical realms of chemistry and science, but why all the fuss now? Although hydrogen itself is not a source of energy, it serves as an important, clean energy carrier. To gain a greater understanding and to see what applications hydrogen can be used for, we will visit state-of-the-art technology and research institutions.